6. The number line shows the temperature drop overa two-hour time period.
2 hour
1 hour
By how much does the temperature have to increase to return to 0°F?
AO5°F
B. 4F
C.1F
D. 2'F

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.

What is the result of adding the system of equations? 2x+y=4 3x-y=6

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left