What's the exact value of sin 150 degrees and cos 150 degrees?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Select the correct answer and solve for y

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