What value(s) of x make the equation x2 - 18x + 81 = 0 true?
9

-9, 9

0, 9

0, -9, 9

How do i get the answer for 2/3 * 10/3

Find the length of cu, the triangles are similar.

Which linear equations have an infinite number of solutions? check all that apply.  (x  –  3/7)  =  2/7(3/2x  –  9/14)8(x  +  2)  =  5x  –  1412.3x  –  18  =  3(–6  +  4.1x)(6x  +  10)  =  7(x  –  2)4.2x  –  3.5  =  2.1 (5x  +  8)