Solve. 45 + (-5) - 4 + 7
A: 45
B: 0
C: -34
D: 43

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.

Find the slope of the line passing through a pair of points

Find the value of x. round the length to the nearest tenth