Answer:
Yes
Step-by-step explanation:
The relation is a function. For a relation to be a function there must be a unique x value for each y value. So this means x's can not repeat, and in this relation, the x-values never repeat. Therefore this is a function.
There is a lack of a diagram to go along with this question...
Answer:
73.6
Step-by-step explanation:
64x15%=9.6
9.6+64=73.6
i wasn't sure on how to explain it so i just attached ur answer