1. If the area of a circle is 81pi square feet, find its circumference. 2.If Tim had lunch at $50.50 and he gave 20% tip, how much did he spend?

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(hurry! ) which expression is equivalent to the following complex fraction?

Analyze the graph of the cube root function shown on the right to determine the transformations of the parent function. then, determine the values of a, h, and k in the general equation.

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28