In an​ orchestra, 22 people can play stringed​ instruments, 17 can play​ brass,15 and can play percussion.​ Further, 8 of the performers can play both strings and​ brass, whereas 7 can play both strings and percussion. If no one can play all three types of​ instruments, what are the maximum and minimum numbers of people in the​ orchestra? ​(Hint​: Consider expressing the numbers in some of the regions of your diagram in terms of a single​ unknown, say​ x.)

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.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5