Which system of equations is represented by the matrix below? {5 -7|15}
{-3 0|7}

A. 5x - 7y = 15
3x = 7

B. 5x - 7y = 15
-3x = 7

C. 5x + 7y = 15
-3X=7

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

What expression is equivalent to 42x-56y

The graph shows the distance kerri drives on a trip. what is kerri's speed?