Answer this question please and thank you

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.

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Which graph depicts the path of a projectile