A swimming pool is open for 7 1/2 hours during a day. The pool keeps one lifeguard on duty at a time and each life guards shift is 1 1/2 hours long. How many shifts are there per day

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.