Given the quadratic equation y = 2x² + 13.2, find the point or points of intersection with the linear equation y = -9 - 6x
algebraically. Show ALL WORK to receive credit.

Pls , the question is in the picture!

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days