Which of the following is not a ratio?
a. 4 feet/9 feet
b. 12 miles/8 gallons
c. 12 miles/20 miles
d. 4 gallons/9 gallons

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.

The total number of dental clinics total for the last 12 months was recorded