There are 100 boys and 80 girls signed up for a volleyball league. The coaches first makes teams of 8 players and then assign any remaining players to make some of the teams have 9 players. How many teams of 9 players will there be?

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?