Mark knows that he will need to buy a new car in five years. The car will cost $15,000 by then. how much should he invest now at 8%, compounded quarterly, so that he will have enough to buy a car

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.