Anew machine is set or calibrated to fill tubes of toothpaste at precisely 6.75 ounces. then, once the machine is running, a sample of six tubes is taken every three hours and weighed with the following results: weight of toothpastetime 7 am 6.69 6.68 6.79 6.77 6.74 6.7610 am 6.71 6.72 6.71 6.76 6.75 6.741 pm 6.66 6.68 6.67 6.71 6.76 6.784 pm 6.73 6.74 6.72 6.76 6.78 6.757 pm 6.75 6.73 6.75 6.77 6.79 6.75what is the value of the lower control factor of the range? a. 0b. 2.115c. 2.004d. 3.0

Will mark brainliest question in the pic.

/is used for a fraction 1) if x = 2/3 and y = 3/4, what is the value of (x + y) (x/y) expressed as a common fraction? 2) what is the least positive integer greater than 1 that leaves a remainder of 1 when divided by each of 2, 3, 4, 5, 6, 7, 8, and 9? 3) the ponde family's powerjet pumps 420 gallons of water per hour. at this rate, how many gallons of water will it pump in 45 minutes? 4) kim's insurance company pays 80% of the cost of all prescription medication she purchases in a year beyond the first $250 worth of prescriptions. her prescriptions for this year cost a total of $570. how many dollars of this amounts will kim's insurance company pay?

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)