say true or false with explanation if both sin teta and cos tetanus are negative then teta is thrid quadrant angle.

Assume cd | ab are parallel. find m2. a) x= 50° (b) x = 70° c) x = 30° d) x = 60

The slope of the line passing through the points (2, 7) and (-4, 8) is

Acertain drug is made from only two ingredients: compound a and compound b. there are 3 millimeters of compound a used for every 4 millimeters of compound b. if a chemist wants to make 693 milliliters of the drug, how many milliliters of compound a are needed?