The angles of a triangle or 80°, 2x +2°, and 5x degrees what is the value of x

Me! last question, and i'm stuck! write the algebraic expression that models the word phrase. the product of 2 divided by the number h and 8 more than the number k

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)