URGENT What is the length of the major axis of the conic section shown below?

What is the result of adding the system of equations? 2x+y=4 3x-y=6

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up