If contact lenses cost 80$ how much will they cost if they are with 10% off?

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?

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew

How can you find the mean absolute deviation (mad) for this set of data?