Please help mee??

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume

Solve for the equation x. 2x + 22 = 4(x + 3)

Hurry!me out! m c 8 10 12 gracie's art box has 5 less crayons, c, than three times the number of markers, m. function: c = 3m - 5 complete the table to show how the number of crayons depends on the number of markers. enter answers in order from top to bottom.