A formula to find the frequency, f, of a cyclic phenomena based on the period, T, is f = 1/T. Solve the formula for T in terms of f.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

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