Plss help i forgot my practice book and i barowed my sisters

17 in long 1.3 ft wide and 8in high what is the volume

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52