Multiply.(-7)6 ? (-7)8
A. 4948
B. (-7)14
C. -714
D. 4914
Answer: B
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Find the center of mass of a thin plate of constant density covering the given region.The region bounded by the parabola y = 36 - x2 and the x-axis
A. 
= 0, 
= 
B. 
= 0, 
= 
C. 
= 
, 
= 0
D. 
= 0, 
= 
Decide whether or not the functions are inverses of each other.f(x) = 
, g(x) = 
A. Yes B. No
Find the indicated probability.The distribution of B.A. degrees conferred by a local college is listed below, by major. Major FrequencyEnglish2073Mathematics2164Chemistry318Physics856Liberal Arts1358Business1676Engineering8689313What is the probability that a randomly selected degree is in Chemistry or Physics?
A. 0.0919 B. 0.0031 C. 0.126 D. 1174
Solve by any method. If there is not one solution to a system, state why.-4x + 5y = 30 2x - 2y = -12
A. (0, 6) B. (-1, 6) C. (0, 7) D. (-1, 7)