Estimate the value of the quantity.A hat is dropped from a hot air balloon. The hat falls faster and faster but its acceleration decreases over time due to air resistance. The acceleration is measured every second after the drop for 6 seconds. Find an upper estimate for the speed when 
A. 192 ft/sec
B. 40.96 ft/sec
C. 32.08 ft/sec
D. 71.87 ft/sec
Answer: D
Mathematics
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5 = 
A. log5/2
= 5
B. log5/25 = 
C. log5
= 
D. 
= 
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Write the fraction and mixed number as a percent.
A. 720% B. 0.72% C. 72% D. 7.2%
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Find the area.
A. 10
m2
B. 7 m2
C. 21 m2
D. 14 m2
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Solve the equation.3(4x + 7) = 2(x + 7)
A. - 
B. - 
C. 10
D. -7
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