Answer:

Step-by-step explanation:
Given



Required
Determine the percentage of protein
First, we need to calculate the total:



Percentage of protein is calculated as thus:




Answer:
A.
Step-by-step explanation:
Graph B must be incorrect as this is a directly proportional relationship. Likewise, graph C shows an inversely proportional relationship.
Between graph A and D, only graph A passes through the origin, which is true because if length is zero, perimeter is zero.
Hence the answer is Graph A.
Answer:
2.5
Step-by-step explanation:
16-13.50
Answer:
Yes
Step-by-step explanation: