Tell whether the triangle with each set of side lengths is a right triangle. 0.9, 1.2, and 1.5

7, 10, and 15

3.1, 5.7, and 7.1

1, 2.4, and 2.6

Acircular hot tub located near the middle of a rectangular patio has a diameter of 48 inches. the patio measures 11 feet by 6 feet. what is the area of the patio that is not covered by the hot tub?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0