2. What is the first step to solve the following system of equations using substitution? 2- y = 12
2x - y = 12
Add the two equations together.
Solve the first equation for x.
Multiply the first equation by 2.
Divide the second equation by 2.

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list