Using the quadratic formula to solve x2 + 20 = 2x, what are the values of x?
o 1+ 21i
o-1+ v19i
1+2 v191i
o 1+ v19i

Someone . me. compound probability

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

To convert celsius temperatures to fahrenheit, you can use the expression (c + 32). tom says that another way to write this expression is c + 32. what error did tom make?