Answer:
uh... yeah it's best to keep it in simplest form unless if it was involving graphs.
Answer:
the exterior angles of a polygon sum to 360
so the number of sides is 360/45
-PlushDna
4 x 7= 28
BTW no calculator. Did it in my head. Hope this helps!
Answer:
bottom left, the one that looks like a v
Step-by-step explanation:
You can test if something is a function by looking to see if there is a place where an x has 2 ys. if there are 2 ys for an x it is not a function.