Jeff weighed 190 pounds and lost 1/4 pound each week. Allan weighed 127 pounds and gained 5/8 pound each week. After how many weeks did they weigh the same?

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Three friends are comparing the prices of various packages of golf balls at a sporting goods store. hector finds a package of 6 golf balls that costs $4.50.

Find the cube roots of 8i. write the answer in a + bi