Emily saved $11 to go to the candy stor. After buying 10 jawbreakers, she had 5.80. How much did each jawbreaker cost including tax?

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling