–7 + 8x2 – 4x

WHY WHY WHY

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?

Which statements are true about additional information for proving that the triangles are congruent check all that apply