How to add and subtract radical expressions

7=-2.7x^2+30x+6.5 round nearest 10th

What is the additive inverse of - 2 + 8i?

Six neighbors share 4 pies equally how much of the pie does each neighbor get

For what values of x will (x, y) be a solution of the system of equations below: y = x2 + 3x - 3 2x - 1 = y

What is the difference between (5+x) and (2x+3)

A cylinder has a circular base. Use the results of the explore to type a formula for the volume of a cylinder

What is 6 divided by 3647? I need to show work. Much appreciated.

Find the variance and standard deviation for {4, 4, 4, 4, 5}

A relative frequency histogram is given with four classes. The first three bars have a height of 0.25, 0.35, and 0.1 respectively. What is the helght of the fourth bar?

Suppose that water is stored in a cylindrical tank of radius 5 m. if the height of the water in the tank is h, then the volume of the water is v = Ïr 2h = (25m2) Ïh = 25Ïh m2.