The surface area of the figure is __ m2

what is the surface area?

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

Astore is having a sale in which all items are reduced by 20 percent. including tax, jennifer paid $21 for a pair of shorts. if the sales tax is 5 percent, what was the original price of the shorts