Answer:
B.25%; 70%; 5%
Step-by-step explanation:
Other options have % very close to eachother, pie chart may not reflect the difference
Answer:
r = c/x
Step-by-step explanation:
It is in simplified form. You cannot add these together because they are different terms. EX: bc, b, and c. They don't correspond, so we can't add/subtract/multiply/divide.