Order the steps and justifications in solving the system of linear equations -4x +y=2 and 4x+y=6

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.

Hi, can anyone show me how to do this problem? 100 points for this. in advance