The number of miles, x, that a cross country athlete can run is represented by the inequality
X + 3 < 15
What conclusion can be made about the number of miles?
Select one:

A. The runner can run more than 12 miles

B. The runner can run 12 miles

C. The runner can run 15 miles

D. The runner can run less than 12 miles

Let w=23 . what is the value of w + 45 ?

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

Use the given degree of confidence and sample data to construct a confidence interval for the population mean mu . assume that the population has a normal distribution. a laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with sequals 17.6 milligrams. a confidence interval of 173.8 mgless than muless than 196.2 mg is constructed for the true mean cholesterol content of all such eggs. it was assumed that the population has a normal distribution. what confidence level does this interval represent?