Solve.A wall in Alex and Carla Dinu's garden is to be built using brick that is 3
inches wide and a mortar joint that is 
inch wide. Use the diagram to find the height of the wall.
A. 20
in.
B. 20
in.
C. 21
in.
D. 21
in.
Answer: B
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Express the integrand as a sum of partial fractions and evaluate the integral.
A. -2.737 B. 5.474 C. 2.737 D. 2.930
Solve the problem.Approximately 26.9% of all students at a city college commute to school. Write this percent as a fraction or mixed number in simplest form.
A. 
B. 26
C. 
D. 2
Write the statement as an equivalent statement that does not use the if . . . then connective. Remember that p ? q is equivalent to ~p ? q.If your shoes need polishing, you take them to Larry's place.
A. Your shoes do not need polishing or you take them to Larry's place. B. Your shoes need polishing and you take them to Larry's place. C. Your shoes do not need polishing or you do not take them to Larry's place. D. Your shoes need polishing and you do not take them to Larry's place.
Solve the problem.A company finds that its marginal revenue from the sale of the xth unit of its product is given by 
Assuming that 
find the total-revenue function R.
A. R(x) = 4x3 - 5x2
B. R(x) = 16x
C. R(x) = 
x3 - 
x
D. R(x) = 
x3 - 5x