Which pair of ratios form a proportion?
4/12 and 6/18
3/8 and 8/3
7/13 and 3/5
9/12 and 5/8

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x