HELP 100 Points Which equation has a solution of r = 13? A 2 2/3+r=3

B 4r = 1/2

C 3r=1/3

Dr−1=2/3

Darian wants to build a regulation size pool table that is 9 feet in length.he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table

Is (0,0) a to ? ys x2 - 4 y> 2x-1

7x^2-9x+5=0 find the discriminant and number of real solutions