7/28 is the answer to your question.
Answer:
addition
Step-by-step explanation:
The given expression is 
We want to determine the last operation performed when evaluating this expression for x=3.
We substitute to get:

Multiply within the parenthesis to get:

Subtract to get:

Evaluate the exponent to get:
4+4
Add to obtain:
8
Hence the final operation is addition
Step-by-step explanation:
B. 426 people per square. mile
Answer:
26?
Step-by-step explanation
because they are vertical? (i think the word) they are equal so set them equal to each other then solve for x
Step-by-step explanation:
Total bars = 4 + 5 + 7 + 9 = 25
Probability of Reese bar = 7/25
Probability of milky way = 9/25