Calculate the slope from the following points: (-3, -2) and (1, 6).
Please help!

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid

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

Write the equation in general quadratic form: plz !