What do you multiple 24 with to get 120

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.

State if the two triangles are congruent. if they are, state how you know?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1