Quack quack its a baby duck (free points)

For what values of b will f(x)= logbx be a decreasing function? (16 )

Franco wants to double the volume of the cone. what should he do?

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125