Answer 7x^3 - 5x^2 + 6x -5
30 ft^3. If the area is 10 the the length is 5 and width is 2. If the height is 3 then it is 3 x 5 x 2 = 30ft^3
7 > u is the same as u < 7. So, any number, integer, fraction or mixed number, that is smaller than 7, is a solution to 7>u.