Which relation is a function?

a.{(-4,3), (-2,3), (-1,2), (2,5), (3,2)}

b. {(-4,1), (-2,3), (-2,1), (-1,5), (3,2)}

c. {(-4,1), (-2,3), (-1,2), (3,5), (3,2)}

d. {(-4,1), (-2,3), (-1,1), (-1,5), (3,2)}

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work: