How do you write an equation for the sum of three consecutive numbers equals 384?

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?

Which of the following transformations will always produce a congruent figure?

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39