During which one week period did sebastian save the most money?

The table shows the distance traveled over time while traveling at a constant speed.

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.

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x