Solve the problem.At time t ? 0, the velocity of a body moving along the s-axis is 
When is the body's velocity increasing?
A. t > 4.5
B. t < 8
C. t < 4.5
D. t > 8
Answer: A
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The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. s (m)
When is the body standing still?
A. 2 < t < 3, 4 < t < 5, 7 < t < 9 B. t = 3, t = 5, t = 8 C. 1 < t < 2 D. 8 < t ? 10
Provide an appropriate response. Find the volume of a frustrum of a pyramid with a square bottom base with side = 7 km and a square top base with side = 5 km and a height of 9 km.
A. 222 sq. km B. 240 sq. km C. 427 sq. km D. 53.8 sq. km
Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Find the hours, rate, or earnings as specified.
Find the number of regular hours, overtime hours (over 8 in a day), and overtime rate (time and a half).
A. 36, 8, $18.10 B. 37.5, 6.5, $18.10 C. 37.5, 6.5, $13.58 D. 44, 0, $13.58