It takes Ernie 45 hours to paint the house alone. Silene can do it in 36 hours alone. How long would it take them to paint the house together?

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

Solve the inequality and graph 6j - 7 < 5

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.