Which number line represents the solution to the inequality 4x +20 <40

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

The coordinate grid shows points a through k. which points are solutions to the system of inequalities listed below? 2x+ ys 10 2x 4y < 8 oa c, d, k o e, f. g, j oa, c, d, h, k oe, f. g, h, j

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)