The answer is
C.
Adding any positive value to

won't really make

into a rational number, so the way you have to do it add the negative self, -

to make it into 0. Any number plus its negative value would result in 0, which is a rational number.
<span>Total number of problems Nicole will have completed: y
</span><span>Number of nights she studies: x
</span><span>
She has already completed 20 practice problems:
When x=0, y=20
</span>She plans on completing 6 more problems each night:
y=20+6x
y=6x+20
Please, see the attached graph.
Thanks.
Answer:
angle AGE=113.5
Step-by-step explanation:
3x-28=66-x
4x=94
x=23.5
23.5+90=113.5
Answer:
c. Mary charges $12.00 per hour for labor to paint houses. What is x, the number of hours Mary worked if she charged $240.00 for labor?
Step-by-step explanation:
Answer:
1. x = 36 equation is x + 2x + 9 = 117, then solve for x
2. x = 50 equation is x + x + 12 = 112, then solve for x
Step-by-step explanation: