Write an equation that expresses the relationship. Use k as the constant of variation.a varies jointly as g and the square of z.
A. a = 
B. a =kgkz2
C. a = kgz2
D. a = 
Answer: C
Mathematics
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Factor completely. If the polynomial cannot be factored, say it is prime.x2 - x - 20
A. prime B. (x + 5)(x - 4) C. (x + 1)(x - 20) D. (x + 4)(x - 5)
Mathematics
Evaluate the expression, given x = -2, y = 3, and a = -4.
A. -56 B. -1 C. 56 D. 8
Mathematics
Replace the ? with < or >.0.39 ? 0.38
A. = B. > C. <
Mathematics
Solve the problem.A lake lies between A and C, and lines AB and DE run north-south. If 
= 7.1 mi, 
= 1.1 mi, and 
= 2.5 mi, how far is it from A to C? Round to the nearest tenth.
A. 16.0 mi B. 13.6 mi C. 3.1 mi D. 16.1 mi
Mathematics