You walked 2⁄15 miles from your chemistry class to your economics class at a constant speed of 0.8 miles per hour. how long did this take you?

How long would it take for a ball dropped from the top of a 576-foot building to hit the ground? round your answer to two decimal places.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year?