Write a mathematical expression for the situation described.Two numbers have a sum of 39. If one number is q, express the other number in terms of q.
A. q - 39
B. 39 - q
C. 39 - 2q
D. q + 39
Answer: B
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Factor the special products.25k2 - 81m2
A. (5k - 9m)2 B. (5k + 9m)(5k - 9m) C. prime D. (5k + 9m)2
Evaluate the integral.
A. 
B. 
C. 
D. 4
Solve the problem.Use regression to find constants a, b, c, and d so that f(x) = a sin (bx + c) + d models the data given below. Round all answers to 9 decimal places.
A. 5.277184939; 0.062976370; -2.042562480; 6.904195597 B. 4.708150061; 1.025102863; -2.474285177; 7.076487153 C. 5.099259265; 0.531578044; -1.738394218; 8.659926499 D. 5.099259265; 0.531578044; -1.738394218; 6.659926499
Solve.A can is made of aluminum. It has a flat top and bottom. The height is 10 inches and the radius is 8 inches. How much aluminum is needed to make the can? (Use ? = 3.14 as the approximate value.)
A. 2009.6 in.2 B. 904.32 in.2 C. 452.16 in.2 D. 653.12 in.2