Answer:
answer is A. cosine
Step-by-step explanation:
Mark and Don have to sell 11 and 59 marbles respectively.
<em><u>Explanation</u></em>
Lets assume, the number of marbles Mark has is 
As, Don has 4 more than 5 times the number of marbles mark has, so the number of marbles Don has 
Question says that the total number of marbles is 70. So, the equation will be...

<em>So, the number of marbles Mark has = 11 </em>
<em>and the number of marbles Don has =
</em>
Answer: 4
Step-by-step explanation:
8m = 2*2*2*m
36m^3 = 2*2*3*3*m*m*m
12 = 2*2*3
GCF=2*2
Hope this helps!!
The two systems have the same solution.
The correct answer is 3) since the first equation of system B is indeed the addition of the first equation of system A and 4 times the second equation of system A.
Answer: 3)