The sea floor is 104 feet below sea level. katy is 28 feet below sea level. she is moving downward at a rate of 4 feet per minute. colin used the following calculation to determine how long it will take katy to reach the sea floor. is he correct? explain. 104 – 28 ÷ 4 = 97 minutes

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Write the rational number in lowest terms 99/-15

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.