Simplify.225 ÷ (15 ÷ 5)
A. 15
B. 3
C. 222
D. 75
Answer: D
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Find the indicated term for the arithmetic sequence with first term, a1, and common difference, d.Find a41, when a1 = -4, d = 
A. - 9
B. 
C. 1
D. - 
Solve the problem.A survey of 145 college students was done to find out what elective courses they were taking. Let A = the set of those taking art, B = the set of those taking basketweaving, and C = the set of those taking canoeing. The study revealed the following information.n(A) = 45 n(A ? B) = 12n(B) = 55 n(A ? C) = 15n(C) = 40 n(B ? C) = 23n(A ? B ? C) = 2How many students were not taking any of these electives?
A. 63 B. 10 C. 53 D. 55
Find the derivative of y.y = csch 
A. -csch 
coth 
B. 
csch 
coth 
C. - 
csch 
coth 
D. csch 
coth 
Perform the division.
A. y2 + 9
B. y - 9
C. y + 9
D. y + 