If f(x) = 3x-2/6,which of the following is the inverse of f(x)?

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

It says factor each expression 49x-28?