Answer:

Step-by-step explanation:
We know that:


Remember:
450°=360°+60°
and:

Thus:

Then:

no number can have a positive and a negative at the same time. a negative number has a negative sign and a positive number has a plus sign.
Answer:
A and C the first and third cause when u are finding the y-intercept you have to put x as zero
If we're talking in whole numbers, the only multiplication of whole numbers that equals two is
2 * 1
or
-2 * -1