Lin runs 8 laps around a track in 26 minutes.

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?