5. y = x + 7
6. y = -x + 1
I have memorized facts about fractions like these, so can tell you ...

_____
A fraction with 9 as a denominator is a repeating 1-digit decimal with the decimal digit being the numerator of the fraction.
A fraction with 11 as a denominator is a repeating 2-digit decimal with the two digits being 9 times the numerator of the fraction.
1/8 = 0.125, so any multiple of 1/8 is that multiple of 0.125.
Frist 5 in / 1 over 2 = 2.5
So yes she can do that
AB is 6 because you just subtract BC from AC to find the other missing length.
Answer:
Um... Sure?
Step-by-step explanation:
Okay, 'll go to your questions...