Answer:
see below
Step-by-step explanation:
Question 1: D
Question 2: A
Question 3: B
Question 4: B
Question 5: C
Question 6: D
Question 7: A
Question 8: D
Answer:
80
Step-by-step explanation:
Answer:
50 is the best choice
Step-by-step explanation:
it is better if its an even number and higher
Both are correct they just chose a different variable to solve for first. they will both get correct answers if they do the rest correctly.
Answer: 0.1 or 
Step-by-step explanation:

= 