Afurniture manufacturer is making a sofa with the dimensions shown. each sofa is filled with high-density foam that costs $0.02 per cubic inch. how much will each sofa cost to fill?

Can someone check my answer? you : )

An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

Write an equation of a line in slope intercept form that is perpendicular to the line 2x -3y = 12 and passes through the point (2, 6).