My teacher assigned me homework, if you can me to try to fiqure out the answer to this problem.

Charles is on a 8 1/2 mile bike ride. he stops for a rest after he’s gone 5 2/5 miles. how much farther does he still have to go?

What does the relationship between the mean and median reveal about the shape of the data

One number is 4 less than 3 times a second number. if 3 more than two times the first number is decreased by 2 times the second number, the result is 11. use the substitution method. what is the first number?