Ateacher writes the following product on the board:
(2a²)(9a2 - 16) = 18a* - 32a?
stephon says that 9a2 – 16 is a factor of 18a+ – 32a².
kenisha says that 18a" – 32ais divisible by 9a? – 16.
who is correct?
choose 1

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