What is 0.7 (with a line over the 7) as a fraction in simplest form?

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585