Answer: C. 12
Step-by-step explanation:
Answer: answer b
Step-by-step explanation:
Answer:
50 - 1.65x ≥ 15
Step-by-step explanation:
I hope this helps and you solve! :)
We have a system of equations in two variables, namely, a and c. Use the substitution to find a and c.
Answer:
Step-by-step explanation:
Bấm máy tính hệ phương trình là ra