Estimate the mean exam score for the 50 students in Prof. Burke's class. Score

f

40 but less than 50

21

50 but less than 60

39

60 but less than 70

40

70 but less than 80

34

80 but less than 90

28

Total

162

Group of answer choices

65.56

63.78

64.89

62.34

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.

What are the soultion(s) to the quadratic equation 40- x^2=0

Based on the figures as marked, /\rqs = —