Dr. Mann mixed 10.357 grams of Chemical A, 12.062 grams of Chemical B, and 7.506 grams of Chemical C to make 5 doses of medicine.

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

The equation of line wx is y=2x-5. write an equation of a line perpendicular to line wx in slopeintercept form the contains points (-1,-2)

Measure a and b and find their sum. how are the angles related?