The volume of a cylinder is 500 cm3. The height of the cylinder is 20 cm. What is the radius of the cylinder?

Please help!!

Plz which expression is equivalent to the expression below?

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)