Choose the correct product of (2x + 10)2.
4x2 − 100
4x2 + 40x + 100
4x2 + 100
4x2 − 40x + 100

Which is the most efficient first step to solve x in the equation 3.7x - 18 = -4.3x -34 a. add 3.7x to both sides of the equation. b. add 4.3x to both sides of the equation. c. subtract 18 from both sides of the equation. d. subtract 34 from both sides of the equation.

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so

What is the y-intercept of the line with the equation 3x + 4y = 12?