Answer:
a) {(3,3),(3,4),(4,5),(4,6)}
Step-by-step explanation:
Given
(a) to (d)
Required
Which is not a function
A relation is represented as:

For the relation t be a relation, then:
where 
This means that none of the x values must be related.
The first relation has 3 repeated as its value of . Hence, (a) is a relation
8 4/8 - 2 2/8 = 6 2/8in or 6.25in
Answer:
0.25
Step-by-step explanation:
5 divided by 20 is what you need to do to get that
Answer:
1) 6x-10y=7 2)5x-3y=8
Step-by-step explanation: