Jenny has a savings account with d dollars in it. She plans to withdraw w dollars each month for n. Select the equation that will give you the balance, b, in the account after n months.

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11