If the radius of one of the semicircles is 7 meters, what is the circumference of one of the semicircles? 21.98 m 10.99 m 43.96 m 87.92 m

You are cycling around europe with friends. a cycling festival is starting soon in barcelona. it will take 4.5 hours to cycle there. how many minutes in total is this?

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years