9u^2^v and which term are like terms? a.6u^2 b.9uv^2 c.15u^2^v d.13u^2^v^2

What are “like terms”? why can we only add like terms?

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?