If a varies jointly with b and the square of c, then when a = 4, b=5 and c = 2. Find b when a = 8 and c = 2.

What is the square root of 45? (step by step working plz)

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.

Consider the following function. which of the following graphs corresponds to the given function? w. x. y. z. a. z b. y c. x d.