Answer:
C. 109x
Step-by-step explanation:
We know that there are 109 students in the fourth grade, who each have x cupcakes. In order to find the total amount of cupcakes, we could add all of the cupcakes together to get:
x + x + x + x + .... x
109 times because there are 109 students.
This can be simplified to become 109x.
The Standard Normal Distribution Curve

×

First, convert

to an improper fraction. Use this rule:

=

/ Your problem should look like:

×
Second, simplify 4 × 6 to 24. / Your problem should look like:

×
Third, simplify 24 + 1 to 25. / Your problem should look like:

×
Fourth, apply this rule:

×

=

/ Your problem should look like:
Fifth, simplify 3 × 25 to 75. / Your problem should look like:
Sixth, simplify 5 × 6 to 30. / Your problem should look like:
Seventh, simplify. / Your problem should look like:
Eighth, convert to mixed fraction. / Your problem should look like:

Answer:
Answer:
B
Step-by-step explanation:
The ratios are 2:1
In the table it shows 4:2, 8:x, y:6, 20:z
To find if the ratios are equivalent we would need to plug in
Once plugging in answer B we get 4:2, 8:4, 12:6, 20:10 which would all equate to 2:1