Find the indicated matrix product or state that the product is undefined.A = 
, B = 
AB
A. 
B. 
C. 
D. 
Answer: B
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Solve.A rock falls from a tower that is 208 ft high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground (h=0)? Round to the nearest tenth.
A. 3.6 sec B. 2704 sec C. 14.4 sec D. 13 sec
Solve the system for x and y. Show your answer as an ordered pair, (x, y).x - 6y = 402x - 7y = 45
A. (2, -6) B. No solution C. (-2, -7) D. (-3, -6)
Find an equation of variation for the given situation.y varies jointly as x and the square of z, and y = 60.9854 when x = 0.2 and z = 4.9
A. y = 13.2x
B. y = 14.9xz2
C. y = 2.54x2z2
D. y = 12.7xz2
Solve.If a volleyball player makes A kills in B attempts, her kill percentage is defined to be 
. Find the kill percentage of a player who made 4 kills in 16 attempts.
A. 4
B. 
C. 
D. 1