Find the common difference of the arithmetic sequence. 6.5,5, 3.5, 2, ...

The common difference is?

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account