Decide which of the two points lies on the graph of the line x= -3 a. 2,-3 b. -3,2

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Simplify the algebraic expression 8y-2(y+4)

Asource of laser light sends rays ab and ac toward two opposite walls of a hall. the light rays strike the walls at points b and c, as shown below: what is the distance between the walls?