Y= –2(x + 2)2 – 1 with no real zeros. what number can be added to the right side of the equation to change it to a function with one real root?

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827