Solve for c.
Q = За + 5ас.

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.