Calculate the instantaneous velocity for the given value of t of an object moving with rectilinear motion according to the given function relating s (in ft) and t (in s)s = -2t2 - 3t - 5; 
A. -3 ft/s
B. 3 ft/s
C. -13 ft/s
D. 13 ft/s
Answer: D
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Translate to a proportion and solve. What is 2.5% of $124,160?
A. $127,264.00 B. $4966.40 C. $3104.00 D. $49,664.00
A stockbroker has $243,000 to invest in stocks and bonds. She wants to invest at least $112,000 in stocks and at least $45,000 in bonds. If stocks have an annual yield of 10% and bonds have an annual yield of 5%, how much should she invest in each to maximize her return? Find the maximum return. ?
A. no money in stocks and $243,000 in bonds: $1,215,000 B. $112,000 in stocks and $198,000 in bonds: $21,100 C. $198,000 in stocks and $45,000 in bonds: $22,050 D. $112,000 in stocks and $45,000 in bonds: $1,345,000 E. none of these
Solve the problem.Suppose that the sample space is S = 
and that outcomes are equally likely. Compute the probability of the event E = 
.
A. 
B. 
C. 2
D. 
Solve the problem.A rectangle has sides of 6 and 14. In a similar rectangle, if the longer side is 56, find the length of the shorter side.
A. 
B. 24
C. 
D. 26