The slope of a line is . What is the slope of a line that is perpendicular to this line? 3/2 -2/3 -3/2

Which statement justifies why angle ebc measures 90?

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

20 points + brainliest answer + my mom’s chocolate chip cookie ! subtract.