A nail manufacturer has an inspection process to determine whether its 1-inch nails are acceptable. The distribution of lengths of nails has a mean of 1-inch and a standard deviation
of .02 inches.
a. Only nails within 2 standard deviations are acceptable. What is the range of acceptable lengths? b. If 10,000 nails a week are manufactured, how many of them are acceptable

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.