Which statements must be true about the reflection of δxyz across ? check all that apply. m∠x'z'y' = 90° m∠mcy = 90° xx' ≅ yy' bz' ≅ bz zz' || yy' xy || x'y'

Which is a graph of a proportional relationship?

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

What is a correct first step in solving the inequality-4(3-5x)> -6x+9