Solve the inequality: 4x + 1 > 7

Mary and roberto bought identical backpacks at different stores. mary's backpack originally cost $65 and was discounted 25%. roberto's backpack originally cost $75 and was on sale for 30% off on the original price. which backpack was the better buy?

What is the value of d? 9d = –5.4 d =

1/3x^2+2 what does the graph look like