What is the degree of the expression?(9 + 7x + 5x4)5
A. 20
B. 10
C. 15
D. 25
Answer: A
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Find the midpoint between the two points (-19, 9) and (11, 13). ?
A. (-15, 2) B. (-15, 11) C. (-8, 11) D. (-4, 2) E. (-4, 11)
Solve the problem.Given the acceleration, initial velocity, and initial position of a body moving along a coordinate line at time t, find the body's position at time t.a = 20, v(0) = -18, s(0) = -12
A. s = 10t2 - 18t B. s = -10t2 + 18t - 12 C. s = 10t2 - 18t - 12 D. s = 20t2 - 18t - 12
Represent the vector in the form v = ai + bj whose magnitude and direction angle are given.
= 8; ? = 30°
A. v = 4
i + 4j
B. v = 4
i + 4
j
C. v = -4
i + 4j
D. v = 4i + 4
j
Solve.The formula for the area of a trapezoid is A = 
(b + B)h. If the area, A, is 115.5 square meters, and the bases, b and B, are 15 meters and 18 meters , find the height, h, of this trapezoid.
A. h = 99 m
B. h = 270 m
C. h = 7 m
D. h = 16
m