Answer:
It's a line
Step-by-step explanation:
A line is not a three dimensional shape. I hope this helps :) also let me know if you got it right!
Angles that equal 180 degrees
Answer: x^2 - 13x + 13
Step-by-step explanation:
Answer:
12537678446.7
Step-by-step explanation:
316+178 divided by 2427 (2639 plus 26383) - 373637/282637
Answer:

Step-by-step explanation:
I use 'n' as the unknown value, but you can use any letter you want as the variable.
The product of four and a number would be represented by '4 * n'. The ideal way to write this would be '4n', even though '4 * n' is also correct in value.
The square of the number would be n². Squaring a number is multiplying a number by itself.
The phrase 'difference between...' means subtraction.
Putting it together:
"The difference between the product of 4 and a number and the square of the number" would be:

Hope this helps.