Answer:
So the answer is (3, 0) on a graph.
Step-by-step explanation:
What I use is a graphing calculator. It helps tremendously. It is called desmos.com. Hope this helps.
-2 - 1 = -3
The answer is -3.
Answer:
The temperature of the liquid 15 minutes later is 
Step-by-step explanation:
This is an example of arithmetic progression
We need to find 15 th term
Here

Answer:
Maybe get a better picture i cant understand it.
Step-by-step explanation:
Answer:
21.6, 5.4
Step-by-step explanation:
a=4b
a+b-2=25
5b-2=25
5b=27
b=27/5
a=4*27/5