Plz hurry it's there are 8 runners in a race. how many ways can the runners finish first, second, and third? a. 8 b. 24 c. 336 d. 6720

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

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! )

Factor the following polynomial completely 514 + 2013 - 1052 oa. 5121 + 3)( - ) ob. 51%(1 - 3)(1 + 7) oc. 5198 - 3)(x + 7) od 51%(+ 3)(x - 7)