Correct Answer: D. grace given to them

Correct Answer: D. q \(\alpha \frac{1}{p}\)

Explanation

p \(\alpha \frac{I}{Q}\); p \(\frac{k}{q}\) (where k is constant)

q = \(\frac{k}{p}\)

q \(\alpha \frac{1}{p}\)

Correct Answer: C. \(\frac{2}{3}\)

Explanation

variance = \(\frac{\sum(x - \bar{x})^2}{n}\)

= \(\frac{2}{3}\)

Correct Answer: D. called-up capital

Explanation

Called up share capital is shares issued to investors, under the understanding that the shares will be paid for at a later date or in installments.

Correct Answer: D. shareholders

Correct Answer: C. Olu's opportunity cost is the textbook

Correct Answer: C. you can take my word for it

Explanation

The best option is C. you can take my word for it.

Here's why:

• You can take my word for it is an idiom meaning you can believe what I'm telling you, because I am trustworthy. It directly reinforces the speaker's certainty and reliability regarding the statement The horse is a winner.

Let's look at the others:

• A. you can take that from me: Similar to C, this also implies you should believe the speaker due to their knowledge or position. It's a strong second choice, and often interchangeable with C.

• B. you can say i say so: This means you can quote me, but doesn't necessarily convey the same level of assured truthfulness as C or A. It's more about attribution.

• D. it is my word against theirs: This implies a disagreement or conflict, which is the opposite of the confident assertion made in the first part of the sentence.

Explanation

(a) The objectives of establishing ECOWAS are:

(i) To promote co-operation and development in all fields of economic activity.

(ii) Raise the standard of living of its people.

(iii) To increase and maintain economic stability in the region.

(iv) To have regional economic co-operation.

(v) To abolish obstacles to the free movement of persons, services and capital between member states.

(vi) To harmonise monetary policies as required for the proper functioning of the community.

(vii) To eliminate customs duties and other charges of equivalent effect between member states in respect of importation and exportation of goods.

(viii) To promote sporting activities.

(ix) To maintain political stability.

(x) To help promote international unity.

(b) The Lake Chad Basin Commission was established for the following reasons:

(i) To maintain liaison with members with a view to more effective use of the waters of the basin.

(ii) To undertake development of underground water resources for multiple uses.

(iii) To enhance the agricultural potentials of Lake Chad Basin area for irrigation.

(iv) To contract and maintain dams, wells, boreholes, drainages and irrigation system.

(v) To control pollution of rivers and lakes.

(vi)To teach farmers modern farming methods.

(vii) To draw up common rules of navigation.

(viii) To undertake projects for control of flood and erosion.

(ix) To develop irrigation system for crop and livestock production.

Explanation

According to the Muslim belief and Islamic scholarly accounts, the revelation of the Quran began in 610 AD when the angel Gabriel appeared to Muhammad in the cave Hira near Mecca, reciting to him the first verses of Surah Al Alaq. Muslims believe that Muhammad continued to have revelations for the rest of life until his death in 632 AD.According to Islamic tradition, the Qur'an was first compiled into a book format by Zayd ibn Thabit and other scribes under the first caliph

Correct Answer: A. Presidential system of government