What’s p + 18 = 18 ?? I just want to make sure my answer is right.

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?

Hi, can anyone show me how to do this problem? 100 points for this. in advance

A. what is the area of the base? use complete sentences to explain your reasoning. b. what is the volume of the prism? use complete sentences to explain your reasoning.