A cone has a height of 4in and a diameter of 3.5 in ,as shown in the diagram below

Solve the system of equations. y= 2x y= x^2 - 15

Which expression is equivalent to 64 - 9x^2?

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.