Lina bought 22 boxes of crayons for $28.16 how much did she pay for each box of crayons

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?