-9 < -x + 8 < 8 what’s the answer NEED HELP ASAP

Given: f(x) = 2x + 5 and g(x) = x2 and h(x) = -2x h(g(f( = x2+ vx+ x + y

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct