What is the range of the data set? 32, 21, 88, 64, 88, 107, 101

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

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.

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9