How do you make a parabola?

Afurniture store has 1,500 chairs in storage. a manager uses three delivery receipts to simulate samples to check 100 chairs and note the number of brown chairs. suppose the actual number of brown chairs is 1,080. about how many brown chairs are

Which of the following expressions is equal to 2x^2+8

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )