the ages of student volunteers at an event are 13, 11, 12, 15, 16, 11, 12, 14, , and 11. find the mode age of students​

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Solve for n. round to the tenths place, if necessary. 14.2 cups of flour6 loaves of bread= 20 cups of flour n