Which of the following relations represent a function?
a. {(-1,-,,7)}

b.{(-3,,-,7)}

c. {(-1,,,5)}

d. {(-1,,,7)}

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

Nine more than four times a number is the same as one less than twice the number. find the number?

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.