State how many peaks you would expect for the distribution described.Sales of birthday cards over a one-year period
A. One
B. None
C. Three
D. Two
Answer: B
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Solve the problem.After t seconds the height s of an object propelled upward with an initial velocity of 3200 feet per second is given by 
How long after the object is propelled upward will it first reach an altitude of 51,000 feet? (Round your answer to 2 decimal places.)
A. 0.25 seconds B. -14.84 seconds C. 34.92 seconds D. 17.46 seconds
Rewrite the expression in terms of the given function or functions.csc x + tan2 x csc x; cos x and sin x
A. 
B. 
C. cos x - sin x
D. 
Perform the conversion. Round to the nearest tenth when necessary.72.6 g to oz
A. 159.7 oz B. 33.0 oz C. 2058.2 oz D. 2.6 oz
Solve the problem.Sara invested $7900 in two stocks paying 
and 
annual interest, respectively. At the end of the year, the total interest from these investments was $577. How much was invested at each rate?
A. $7900 at 8% and $0 at 7% B. $2400 at 8% and $5500 at 7% C. $3950 at 8% and $3950 at 7% D. $5500 at 8% and $2400 at 7%