(3-6x^5-8x^4)-(6x^4-3x-8x^5) in standard form

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter? question 1 options: 3x2+38x+55 3x3+38x2+55x 5x+16 4x+16