Please help I’m trying to pass

What is the midpoint of the segment below? (-4,-7) (5,6)

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.