Answer:
is there a picture?
Step-by-step explanation:
The ratio in it's simplest form is 4:1.
Answer: LAST OPTION.
Step-by-step explanation:
1. You have the following equation:

2. Then you must solve for x, as following:

Therefore, as you can see above, the answer for the exercise is the last option.
Answer:
62.28
Step-by-step explanation:
The students that are correct are Jake , and Liu because 51, and 21 are composite.
Hope this helps!