How many different ways can a coach select the captain and co-captain of a team from a group of 20 people

Four students were asked to write an expression which has terms that have a greatest common factor of 8c. the expressions provided by the students are shown below. Tanya 32C+16cd Wyatt 8c-48cd Xavier 36c-24c yang.

0.2 is 10 times as much as? 1/10 of?

Write an equation relating rate, distance, and time.

3/4 into a whole number

Are the following numbers a function; 6,5; 6,7; 6,6; 5,7

Which of the binomials below is a factor of this trinomial? - 3x^2-21x+24 x-4 x+1 x+4 x-1

218 students went on a field trip. Nine buses were filled and 20 students traveled in cars. How many students were in each bus?

When Violet was born she weighed 54 pounds. At 5 months old she weighed 16.3 pounds. How much weight did she gain between birth and 5 months old?

Two boats on opposite banks of a river start moving towards each other. They first pass each other 1400 meters from one bank. They each continue to the opposite bank, immediately turn around and start back to the other bank.

What is the value of 1/6^0