Answer for brainilest and 11 points

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Divide. write in the simplest form. 4 1/6 divided by 10

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.