Four friends want to take a vacation together, so each one gets a prat-time job. Each person has 6 weeks to save $750 for the vacation. Analyze the four individual plans below and decide which of the four people will reach his or her goal of saving $750 for vacation? Friend A: Works 20 hours per week at $6.95 per hour. Friend B: Works 25 hours per week at $5.85 per hour. Friend C: Works 15 hours per week at $8.25 per hour. Friend D: Works 11 hours per week at $10.80 per hour.

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent