Answer:
18a + 12x - 12a + 15x
6a + 27x
the answer is a
Step-by-step explanation:
A. 6c
B. -5c
C. -0.7c
D. 2c
Just a few you could use.
B how many ways can they register for the same section
It would be D, because to be a function, a set of ordered pairs cannot have the same x value. The y value can be the same though.
(5,6), (8,6), (9,6)
As you can see, all of the x values are different, so it is a function.