Collect the like terms
So 3n-n=2n and -1+4=3
(3n-1)+(4-n)=2n+3
Your (third) selection is correct. Just only refer the value of x to get the value of y dependently.
Answer:
Answers will vary but might address the following:
garbage disposal and recycling
sex education in schools
nutritious food supply in schools
Answer:
You could use a graphing calculator I just used Desmos. Origin is (0, 0). Rotate 90 degrees about the origin.
I used triangles
The rotated point would be at (1, 2)
ANSWER: the question mark = 1
The measure of the tangent-chord angle ABC is 117.