Sides in pair of figures are proportional. Find missing length(s).
A. x = 18
B. x = 13.5
C. x = 24
D. x = 22.5
Answer: D
Mathematics
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Solve the given system of equations algebraically.x2 + y2 = 36x2 - y2 = 36
A. x = 6, y = 0 B. x = 6, y = 0; x = -6, y = 0 C. x = 0, y = -6 D. x = 0, y = 6; x = 0, y = -6
Mathematics
Multiply.
A. 414,980 B. 425,980 C. 415,980 D. 416,980
Mathematics
Solve the problem.The position of an object moving in a straight line is given by s = t2 - 8t, where s is the distance in feet and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 9 feet?
A. 8.8 sec B. 9.0 sec C. 10.0 sec D. 0.9 sec
Mathematics
Find f'(x) at the given value of x.f(x) = 
; Find f'(2).
A. -32 B. - 16 C. 32 D. 64
Mathematics