Two planes, a and b, start from the same place and move in different directions, making an angle of 50º between them. the speed of plane a is 200 miles per hour, and the speed of plane b is 300 miles per hour. the two planes are miles apart after one hour.

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. another supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which would you choose and how much would you save with that choice? show calculator try it! if you buy 1000 ml bags, how many do you need to buy each month? type your answer in the space provided and click on the check answer button.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for