Toshie rode her bicycle for 0.5 of an hour at the rate of r miles per hour. Then she decreased her rate by by 3 miles per hour and rode her bike for 0.25 of an hour. All together, she rode her bike 3 miles. Write an equation taht can be used to determine r. Fine r

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.

The volume of a cube is 8 in to the 3rd power. how long is each side?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.