Evaluate each expression.(-9)4=

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2