Multiply. Write the answer in simplest form.
? - 
A. 
B. - 
C. - 
D. - 
Answer: D
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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 = 18 cos 2t, v(0) = 3, s(0) = 11
A. s = - 
cos 2t + 3t + 11
B. s = 
cos 2t - 3t + 11
C. s = 
sin 2t + 3t + 11
D. s = - 
sin 2t + 3t + 11
Solve.An investment is worth $3600 in 1994. By 1999 it has grown to $5615. Let y be the value of the investment in the year x, where x = 0 represents 1994. Write a linear equation that relates the value of the investment, y, to the year x.
A. y = -403x + 7630
B. y = 
x + 3600
C. y = -403x + 3600
D. y = 403x + 3600
Solve by the substitution method.x - 2y = -178x - 3y = -58
A. {(-5, 6)} B. {(5, 7)} C. ? D. {(-6, 7)}
Vector V with magnitude 
forms an angle with the positive x-axis. Give the magnitude of the horizontal and vertical vector components of V, namely 
and
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?
, 
?
A. ?
B. ?
C. ?
D. ?
E. ?