(reading scales) what is the halfway point between 1200 and 1500

Georgia bought a packge of of 14 dollies to use in her valentines. she used 5/7 of the package to make her in valentines. how many dollies did she have left

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?