Evaluate the expression : (-2 4/5) + 2 2/3 + (-3 1/2)

If 20% of a number is 35, what is 50% of that number?

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

What is the solution to the equation below? 3/x-2+6=square root x-2 +8