Complete the parts to match
photo uploaded i need with the second one?

What is the length of the unknown leg in the right triangle ?

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.

[15 points, algebra 2]simplify the complex fraction and find the restrictions.