Find the missing measurement in the figure. 
a = 0.66 in. b = 1.43 in. c = 4 in.
A. z = 1.91 in.
B. z = 1.14 in.
C. z = 2.68 in.
D. z = 0.14 in.
Answer: A
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Find dy/dt.y = cos3(?t - 17)
A. -3 cos2(?t - 17) sin(?t - 17) B. 3 cos2(?t - 17) C. -3? cos2(?t - 17) sin(?t - 17) D. -3? sin2(?t - 17)
Solve the problem.The cost of a rental car for the weekend is given by the function C(x) = 146 + 0.25x, where x is the number of miles driven. Find the slope of the graph of this function and interpret it as a rate of change.
A. 0.25; The cost of the rental car decreases by $0.25 for each mile driven. B. 146; The cost of the rental car decreases by $0.25 for each mile driven. C. 0.25; The cost of the rental car increases by $0.25 for each mile driven. D. 146; The cost of the rental car increases by $146 for each mile driven.
Solve the system by the elimination method or a combination of the elimination and substitution methods.5x2 - 3y2 = -33x2 + 2y2 = 59
A. {(-3, -4), (-4, -3)} B. {(3, -4), (3, 4)} C. {(3, 4), (4, 3), (-3, -4), (-4, -3)} D. {(3, 4), (-3, 4), (3, -4), (-3, -4)}
Round the number as indicated.545 to the nearest ten
A. 540 B. 650 C. 560 D. 550