Candas made an investment with a 10% annual yield. However, the real growth rate of her investment was only 8.2%. What was the inflation rate?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Find the actual dimensions of the box. the side length are in meters and integers. the surface area of the box is 104 m2 and volume of the box is 60 m3.

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?