Perform the indicated operations and write the answer in the form 
where a and b are real numbers.(-7 - 6i)(-7 + 6i)
A. 85
B. 49 - 36i2
C. 49 + 36i2
D. 13
Answer: A
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Evaluate the sum.
A. 198 B. 156 C. 58 D. 204
Find the requested value for the given functions.f(x) = x + 6, g(x) = x - 10 Find (f ? g)(x) and (f ? g)(7).
A. (f ? g)(x) = x2 + 4x - 60; (f ? g)(7) = 17 B. (f ? g)(x) = x2 + 16x + 60; (f ? g)(7) = 221 C. (f ? g)(x) = x2 - 4x - 60; (f ? g)(7) = -39 D. (f ? g)(x) = x2 - 4x + 60; (f ? g)(7) = 81
Solve the problem.A restaurant offers a choice of 4 salads, 10 main courses, and 4 desserts. How many possible 
meals are there?
A. 40 possible meals B. 160 possible meals C. 320 possible meals D. 18 possible meals
Evaluate the terms of the sum using the given information.x1 = -3, x2 = 3, x3 = -2, and x4 = -4
A. -14 - 14 - 9 - 21 B. -14 - 4 - 9 + 11 C. 4 + 4 + 9 + 21 D. -4 + 14 - 9 + 21