Evaluate.
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Solve the problem.A speedboat moves at a rate of 28 km/hr in still water. How long will it take someone to ride the boat 320 km downstream if the river's current moves at a rate of 4 km/hr?
A. 13 hr B. 10 hr C. 0.1 hr D. 10,240 hr
Find the amount of each payment to be made into a sinking fund so that enough will be present to accumulate the following amount. Payments are made at the end of each period. The interest rate given is per period.$72,000; money earns 4.7% compounded monthly for 1
years
A. $4369.28 B. $1010.74 C. $1073.31 D. $1550.02
Determine the most appropriate metric unit to go in the blank. Choose from km, m, cm, mm, L, mL, kg, g, and mg.The portion of fish weighs 113 
.
A. mm B. mL C. mg D. kg E. g
?For the probability density function 
on the interval 
, find the probability that 
. Round
your answer to the nearest thousandth. ? A. ?0.063 B. ?0.27 C. ?0.149 D. ?0.2 E. ?0.189