It is less than 100 greater than 10 and you use a total of 7 base ten blocks to show this number the number of tens blocks is greater than the number of ones blocks one of the digits is 4

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

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