3 Which situation represents a proportional relationship?
A Renting a kayak costs $12.50 per hour
plus a one-time fee of $5.00
B Renting a car costs $45 per day plus an
insurance fee of $2.50 per day
C Renting a moving van costs $305 per
day plus a one-time relocation fee of
$75
D Renting a beach condo costs $375 per
day plus a final cleaning fee of $65

An engineer is going to redesign an ejection seat for an airplane. the seat was designed for pilots weighing between 120 lb and 161 lb. the new population of pilots has normally distributed weights with a mean of 125 lb and a standard deviation of 28.1 lb. a)if a pilot is randomly selected, find the probability that his weight is between 120 lb and 161 lb. the probability is approximately? b. if 36 different pilots are randomly selected, find the probability that their mean weight is between 120 lb and 161 lb. the probability is approximately? c. when redesigning the ejection seat, which probability is more relevant? . part (b) because the seat performance for a single pilot is more important. b. part (b) because the seat performance for a sample of pilots is more important. c. part (a) because the seat performance for a sample of pilots is more important. d. part (a) because the seat performance for a single pilot is more important.

Real gross domestic product: a) will increase if the price level increases. b) can change from one year to the next even if there is no change in output. c) will increase if the level of output increases. d) is a measure of inflation.

April carriers 5 suitcases to car. each suitcases weighs 6 1/2 pounds. how many pounds does april carry in all