Answer:
a
Step-by-step explanation:
to be a function, every x has to have exactly one y, so there can't be the same number x twice wirh different y's
Answer:
dssds 8900
Step-by-step explanation:
dwdwdmunayaynd
Answer:
5/2
Step-by-step explanation:
Answer:
-157.87
Step-by-step explanation:
1) the rules are:
and

2) according to the rules above:

Answer:
A
Step-by-step explanation:
angle A is 90 and c and b have to be equal