Answer:
7
Step-by-step explanation:
When finding the x intercept you replace the y with 0 leaving only x=7
See attached picture for the answer:
you don't say how to round the answer so I did not round it.
The answer is B because you have to do the opposite which means you have to subtract -9-2=-11
Hello!
In order to find how many boys there are in the class simply subtract 67 from 146:
146-67= 79
There are 79 boys in the class
I hope it helps!
Let

, so that

,

, and

. Then

Now let

, so that

. Then

Transform back to

to get

and again to get back a result in terms of

.