Answer:
One solution
Step-by-step explanation:
By inspection, you can see that adding either 3x or 4x to y yields the same result of 7, meaning that x must be 0. If x is 0, y must be 7, meaning that this equation has only one solution. Hope this helps!
Answer:
B
Step-by-step explanation:
I think it's B because it's looks equal
Answer:
62500
Step-by-step explanation:
Use a graphing calculator because it's already in simple form
Answer:
1, 3
.4, 0
3, 12
Step-by-step explanation: