⦁to the nearest tenth, find the perimeter of ∆abc with vertices a(2,4), b(-2,1) and c(2,1). show your work.

15 point ! ~ see if you know the answer to both you!

Anyone know? is appreciated! will mark brainliest if correct!

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.