How do you solve systems of equations by substitution

There are 6 students in a small class. To make a team, the names of 3 of them will be drawn from a hat. How many different teams of 3 students are possible?

What is the value of 2xy if x = 3 and y = 2

Sample A (n=18) Sample B (n=34) 5 10 15 Which sample satisfies the normal condition for constructing at interval? Choose 1 answer

What is k+m/-7 = n solve for K

Which of the following is the solution to the equation x = 12? x = 4 x = 8 x = 18 x = 24

The cost of a circus ticket is $8. There are y people in a group who want to go to the circus. Which of the following expressions describes the total amount of money the group will need to go to the circus? 8 - y (8) (2) y + 8 8y

Solids X and Y are similar. X has volume of 64 cm3 Y has volume of 729 cm3 The surface area of X is 208 cm2 Work out the surface area of Y.

Which is greater 1.25 or 12.5

I know the 90 percent number so how do i find the 100 perent number

The sum of three consecutive numbers is 414. What is the 2nd number?