Simplify as far as possible 2√3 +3√3

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

Harry owes the bank money. to repay his debt, he paid $150 back to the bank each month. after 10 months, his remaining debt was $6900. what was the original amount of harry's debt? how long did it take harry to pay back his entire debt?

How many degrees are there in the central angles in a circle