Find the inverse of the matrix.
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.Standing 16 feet from a streetlight, a 7-foot-tall tree casts a 4-foot shadow. How tall is the streetlight?
A. 35 ft B. 42 ft C. 28 ft D. 21 ft
Find an equation for the line with the given properties.Parallel to the line x + 5y = 2; containing the point (0, 0)
A. y = 
B. y = 
x
C. y = - 
x + 2
D. y = - 
x
Solve the problem.The daily profit, in dollars, of a specialty cake shop is given by 
where x is the number of cakes made. Find the output at the vertex of the parabola (the number of cakes that should be made per day in order to maximize profit).
A. 676 cakes B. 3380 cakes C. 52 cakes D. 26 cakes
Write the first five terms of the geometric sequence with a = 5 and a fourth term of 135.
A. 5, 15, 45, 135, 405 B. 5, 16, 41, 138, 405 C. 5, 15, 46, 138, 402 D. 5, 8, 11, 14, 17