Find the length of arc ac.
express your answer in terms of 3. (pi).

a. 4*3.14.. ft
b. 8*3.14.. ft
c. 10*3.14.. ft
d. 16*3.14.. ft

The sum of two numbers is 86, and their difference is 20. find the two numbers

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.