Evaluate the expression.

a+ b/c, when a = 24. b=36.c=4.thx

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

If it 8 inch candle burns at 7/10 inch per hour and a 6 inch candle burns at 1/5 inch per hour after how many hours would both candles be the same height

How much would it be worth in 5, 10, 20 years