Write an expression for the difference of the square of a board's length and 64. Use s for the board's length. Do not factor the expression.

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

What else equals 42 and 30 for multiply