Ascience teacher has a supply of 50% sugar solution and a supply of 80% sugar solution. how much of each solution should the teacher mix together to get 105 ml of 60% sugar solution for an experiment
70 ml of the 50% solution and 35 ml of the 80% solution
35 ml of the 50% solution and 70 ml of the 80% solution
70 ml of the 50% solution and 70 ml of the 80% solution
35 ml of the 50% solution and 35 ml of the 80% solution

Which of the following lines is parallel to x=4? a- 3y=9 b- y=4 c- x=2 d- x=y answer this as soon as possible xoxo lo ; )

(co 3) the soup produced by a company has a salt level that is normally distributed with a mean of 5.4 grams and a standard deviation of 0.3 grams. the company takes readings of every 10th bar off the production line. the reading points are 5.8, 5.9, 4.9, 6.5, 5.0, 4.9, 6.2, 5.1, 5.7, 6.1. is the process in control or out of control and why? it is out of control as two of these data points are more than 2 standard deviations from the mean it is in control as the data points more than 2 standard deviations from the mean are far apart it is out of control as one of these data points is more than 3 standard deviations from the mean it is in control as the values jump above and below the mean

In one month jillian made 36 local phone calls and 20 long-distance calls what was her ratio of local calls to long-distance calls for that month?