F(x) = -2x^4 + 3x^3 - 5x2+ 2x - 6 plz help me

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x,y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis