Arectangular pool is 20 feet wide and 50 feet long. a deck used for sunning surrounds the pool. the deck is the same width all the way around the pool. the total area of the deck is 456 square feet. how wide is the walkway?

a. 2 feet
b. 3 feet
c. 4 feet
d. 5 feet

Simplify the expression. enter the correct answer.

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.

Find the solution on the interval [0, 2pi)