The first line in the system of equations is graphed on the coordinate plane. Graph the second line to find the solution to the system. What is the solution to the system of equations?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Alex's monthly take home pay is $2,500. what is the maximum bad debt payment he can maintain without being in credit overload?

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle