There are 10 members on a board of directors. If they must form a sub committee of 6 members how many different sub committees are possible?

What is the missing constant term in the perfect square that starts with x^2 -20x

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?