Which of the following equations has exactly one solution? A. 4 x − 4 + 2 x = 6 x − 4 B. 2 ( 4 x + 5 ) = 8 x + 10 C. 4 x − 8 = 4 ( x − 4 ) D. 3 x + 5 = 2 x − 6

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Solving algebraic equations 2m+3=11