Which of the following lengths below could be used to create a right triangle? 7.8.9
O 16, 18, 20
12, 16, 20
O 8. 12. 14

Plzzz plzz maths ! quadratic sequences =an^2+bn 1) 1,6,15,28,45 2)5,18,39,68,105 3) 1,8,21,40,65 4) 7,24,51,88,135 5) -1,2,9,20,35

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 is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?