Find the sum. Simplify the answer if possible 10 8/12 + 7 1/4

A) 17 5/6
B) 17 10/16
C) 18
D) 3 10/16

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )