Help me please ASAP... I don't get it

The verbal translation for the difference of m and 7 increased by 15

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.