Acone is 10 inches tall and has a radius of 3 inches. what is the cone’s volume?

Josephine has a great garden with and area of 2x2 + x - 6 square feet

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.