Red ribbons are wrapped around all the columns of a building. each ribbon does not overlap itself. each column has a radius of 3 feet. if all the ribbons are taken off the columns and attached end to end, they would measure 144 pi feet long. how many columns does the building have? a)8 b)16 c)24 d)40 plzz

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.