It is 3468 Bc the other choices don’t make sense
What do you need help with?
The art teacher has 30 boxes of 16 crayons.
16 crayons x 30 boxes = 480 crayons
She gives the students 10 of the 30 boxes, leaving her with 20.
16 crayons x 20 boxes = 320 crayons that the art teacher has left.
From the equation, we have

To find the vertex and focus, we have to use the following formula

And

So, we have

