Which of the following expressions is a fourth root of unity?

a.) - 1

b.) i

c.) - i

d.) all of the above

Find the reference angle for 517° a. 23° c. 113° b. 157° d. 67°

24/1 in simplest form what is it?

What is 320/25 in a mixed number

Round each number to the nearest hundred. 18,366

Which statements are true about surface area and volume? Check all that apply.

A rectangular doormat is 21 inches long and has an area of 714 square inches. Find its width

Use the Distributive Property to find the product mentally. Show the steps you used 5 x 47

73 divide 2 with remaders

A Florida factory produces fishing reels at a rate of 800 per day, every day. In April, they are forced to cut their production by 1/5 due to an aluminum shortage. A chain of sporting goods stores orders 20,000 fishing reels.

Find the product and simply 4/9 of 15/8