Answer:
B; The y-intercept is two.
Step-by-step explanation:
The y-intercept, by definition, is when the line intersects the y-axis. Because of this, x has to be 0. Now, all we have to do is find the point that corresponds with 0 (on the table), and it's two.
The point is (0,2).
4 hours washing cars
6 hours walking dogs
9x+8y=116
Y=x+4
Simplify/Combine all the (x)s and the numbers together
So the simplest form will be -5x + 1
Answer: 249.75
Step-by-step explanation: 85% of 135 =114.75 +135=249.75
Negative exponents work like this:

So, in order to evaluate a negative exponent, you simply have to invert the base, and then raise to the positive equivalent of the exponent.
As an example, here are the first three exercises:



You can work out the rest applying this logic.