Answer:
B: 20%
Step-by-step explanation:
1,2, and 6 are all no’s but everything else is yes I believe
Answer:
Step-by-step explanation:
You have a system of equations

.
1. Substitude right side of second equation into the left side of the first equation:

.
2. Solve this equation:

.
3. Find y:
for

,
for

.
4. The solutions of the system are: (3,-12) and (5,-24).
Answer: Correct choice is A.