Use substitution to solve the following system of equations. What is the value of y? 6x + 2y = 4
3x - 5y = 44

y = 7
y = -4.5
y = -7
y = 4.5

David bought a poster for an art project. the poster is 2.7 feet wide and 3.9 feet tall. what is the area of the poster?

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.

How do you determine if an ordered pair is a solution to a given equation?