Which of the following has infinitely many solutions? 5x−10=x+20

10x+5=3(5x+7)

2(4+x)=8+2x

2(6+x)=14+2x

Agiven line has the equation 2x + 12y = −1. what is the equation, in slope-intercept form, of the line that is perpendicular to the given line and passes through the point (0, 9)? y = ( )x + 9

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

(60 points) explain this in detail