Answer:
1. The independent variable goes on the x-axis and the dependent variable goes on the y-axis.
Answer: 
Step-by-step explanation:
For this exercise you need to remember:
1) The mulitplication of signs:

2) By definition, like terms contain the same variables with the same exponent.
Then knowing this, and given the equations:
and 
You must subtract the like terms, which means that you must subtract the numerical coefficients of each term.
Then, you get the result is:

Answer: 80%
Explanation 4/5=.8
Answer:
x = {1/3, 0}
Step-by-step explanation: