Solve 4x - 7 < 7 or -2x + 13 < 5

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Mr. thompson is on a diet. he currently weighs 260 pounds. he loses 4 pounds per month. what part of the story makes the relationship not proportional?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).