D. Plug the first number into “n” to get the second number
Answer:
C
Step-by-step explanation:
A solution is where the line touches the x-axis, and the line touches 4 and 8, which means 4 and 8 are the two solutions.
Answer:

Step-by-step explanation:

You need to make the fractions into improper fractions with the same denometer. 3 4/7 to an improper fraction is 25/7 and 3 1/4 is 13/4. Now get common denometers, in going to choose 28. 100/28 is the same as 25/7 and 91/28 is the same as 13/4. Now subtract 100/28 and 91/28 and you get 9/28. So you need to add 9/28 of a cup.