If the formula describing the distance s (in feet) an object travels as a function of time t (in seconds) is 
. What is the acceleration of the object when 
?
?
A. 0 ft/sec2
B. -34 ft/sec2
C. 86 ft/sec2
D. 34 ft/sec2
E. -86 ft/sec2
Answer: B
Mathematics
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A. $39,950 B. $419.50 C. $412.50 D. $399.50
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Find the area of the geometric figure.Trapezoid
A. 210 sq ft B. 180 sq ft C. 240 sq ft D. 420 sq ft
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Evaluate the series, if it converges.-8 - 
- 
- 
+ . . .
A. - 16 B. 3 C. - 24 D. Does not converge
Mathematics
Solve.A fossilized leaf contains 18% of its normal amount of carbon 14. How old is the fossil (to the nearest year)? Use 5600 years as the half-life of carbon 14.
A. 23,309 B. 1600 C. 35,538 D. 13,829
Mathematics