Answer:
use desmos.
Step-by-step explanation:
demos. All you have to do is out the equation into Desmos and it will graph it for you. You can look and learn.
Answer:
i cant tell where the point is
Step-by-step explanation:
???? sorry i couldnt help
Answer:
I believe the answer is A
Step-by-step explanation: The cart descends which means it should be negative.
Okay, for this one is will use substitution:
y=x+4
y-x=4
2y-2x=8
-2x+2y=8
+
2x+y=13
=
3y=21
y=7
x=3 is your final answer. Hope it help!