Use the substitution method to solve the system.-9x + y = 9-6x + 3y = -1
A. 
B. 
C. 
D. 
Answer: D
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Solve the given applied problems involving variation.The time in hours it takes a satellite to complete a circular orbit about the earth varies directly as the radius (from the center of the earth) of the orbit and inversely as the orbital velocity. If a satellite completes an orbit src="https://sciemce.com/media/4/ppg__text0424191335__f1q21g4.jpg" alt="" style="vertical-align: -4.0px;" /> (Assume the radius of the earth is 
above the earth in 
at a velocity of 
how long would it take a satellite to complete an orbit if it is circling 1700 km above the earth at 
A. 580 min
B. 120 min
C. 220 min
D. 190 min
Write as a single logarithm.6 logb y + 8 logb z
A. 14 logb yz B. logb (yz)14 C. 48 logb yz D. logb y6z8
Perform the indicated operation. Assume that all variables are nonnegative.
? 
A. 42
B. 
C. 
D. 
Given the function f, match the function g with a transformation of f.f(x) = x2 - 7, g(x) = (x - 4)2 - 7
A. f(x + 4) B. f(x) + 4 C. f(x - 4) D. f(x) - 4