If 2 shapes are similar are they necessarily also congruent? explain

∠1 and ∠2 are complementary. ∠1=x°∠2=(3x+30)° select from the drop down menu to correctly answer the question. what is the value of x? . a.15 b.25 c.30 d.40 e.55

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?