Solve the system of equations using substitution:

7y+2x=16
5y-9=x

Angle mno is s rotated 180 degrees counterclockwise about the origin to form angle m’n’o’. which statement shows the measure of angle m’n’o’?

What is 60.9643790503 to 5 decimal

If f(x)=3 over x+2 - square root x-3 then f(7)=