Ihave homework and i dont understand it its called "solving systems of equations by elimination." the problem im stuck on is< br />
8x+y=-16< br />
-3x+y=-5< br />
i need the answer and how to do it.

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?