Convert the angle in radians to degrees.- 
?
A. -8°
B. -460°
C. -230°
D. -920?°
Answer: B
Mathematics
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The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 2t - t2, 0 ? t ? 2Find the body's speed and acceleration at the end of the time interval.
A. 2 m/sec, - 2 m/sec2 B. 6 m/sec, -4 m/sec2 C. -2 m/sec, - 2 m/sec2 D. 2 m/sec, -4 m/sec2
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Find the product.4z3(-3z2)
A. -12z5 B. 576z5 C. -12z6 D. 12z6
Mathematics
Approximate the value using a calculator. Express answer rounded to three decimal places.42.3
A. 9.200 B. 27.984 C. 256.000 D. 24.251
Mathematics
Find the exact value of the following expression without using a calculator.tan 
A. 
B. - 
C. - 
D. - 
Mathematics