If all factors are variable in the long run,firms will experience

• A. decreasing returns to scale
• B. increasing returns to scale
• C. diminishing returns
• D. economies of scale

This question is based on selected poems from R. Johnson and D. Ker et al (eds.): New poetry from Africa;Wole Soyinka (ed.): Poems of Black Africa; K.E. Senanu and T. Vincent (eds.): A Selection of African poetry; M. Umukoro and A Sani et al (eds.): Exam Focus: Literature in English; A.E. Eruvbetine and M. Jibril et al (eds.): Longman Examination Guides: Poetry and E.W. Parker (ed.): A Pageant of Longer Poems.

In Browning's My Last Duchess' the poet- persona's attitude to the Duchess is tha

• A. anger
• B. love
• C. sadness
• D. scorn

Which of the following statement(s) is/are correct about a fixed mass of gas compressed in an inexpansible container;

I. The average speed of the molecules increases

II. The temperature of the gas increases

III. The molecules hit the walls of the container more often than before the compression

• A. I only
• B. I and II only
• C. I, II, and III only
• D. I and III

The landform marked X is a

• A. Gap
• B. Valley
• C. Saddle
• D. Trough

Which of the following land tenure systems encourages the establishment of permanent crops?

• A. freehold system
• B. tenancy
• C. leasedhold system
• D. pledging

The dominant theme is ______

• A. unrequited love
• B. loss of opportunity
• C. lack of trust.
• D. insatiable hunger

In the diagram O is the center of the circle, ∠SOR = 64° and ∠PSO = 36°. Calculate ∠PQR

• A. 100°
• B. 96°
• C. 94°
• D. 86°

Given that 2x + y = 7 and 3x - 2y = 3, by how much is 7x greater than 10?

• A. 1
• B. 3
• C. 7
• D. 17

(a) Write the following as column vectors: \(r = (10N, 090°) ; q = (8N, 135°)\).

(b) Use your answer in (a) to find \((r + q)\).

An advantages of a federal system of government is that it

• A. promotes even economic development
• B. facilitates quick secession
• C. is less expensive to operate
• D. encourages unity in diversity