Here is a long-division calculation of 917÷7917 ÷ 7. There is a 7 under the 9 of 917. What does this 7 represent? What does the subtraction of 7 from 9 mean? Why is a 1 written next to the 2 from 9-79−79 − 7?

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.