Please answer (Will give brainlst)!!

Or just try ur best I really don’t wanna fail:(

Solve the system of equations. y= 2x y= x^2 - 15

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months