if a number of 721 students enrolled to a school & the number increases by 7%, by the next year how many students will there be?

Which expression is equivalent to 2x^2+7x+4?

This question awards 100 ! i really don’t want to fail i will also mark you !

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?