2. Tell whether the ordered pair (-1,-2) is the solution of the system. x + y = -3 and 2x - y = -4*

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?