Can you answer any questions from sections 1, 2 and 3? .

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

What is the solution to the equation e3x=12? round your answer to the nearest hundredth

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters