Find the slope of the line that passes through each of the following pairs of points: (-1,4) and (3,-8)

Which expression is equivalent to -5(3x - 6/7)

How many ordered pairs of positive integers satisfy xy=32?

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