Yes, I can do that using my pencil or my calculator.
Answer:
1. 25
2. 9
Step-by-step explanation:
If I'm correct, to complete the square you need to use 
So, for #1, b is 10.
= 5.
= 25.
For #2, b is -6.
= -3.
= 9.
Answer:
the equation for the line would be y=-1/3x
Answer:
8
Step-by-step explanation:
Let's set this up to see if we can simplify it a bit:

Notice we have 4 tens on top and 3 on bottom, so we can eliminate the bottom 3 altogether and leave just one on top. And we have 2 fives on the top and 3 on bottom, so we can eliminate the 2 on the top and leave one on the bottom. Now that looks like this:

10 divided by 5 is 2, and 2 cubed is 8