Answer:
C) 
Step-by-step explanation:
0.51 repeating decimal
x= 0.51515151
multiply by 100 on both sides
100x = 51.515151.........
x= 0.515151...............
--------------------------------------------(subtract)
99x = 51
divide by 99 on both sides

divide both sides by 3

Answer:
2$ a pound
Step-by-step explanation:
I you look closely on the first point its (1,2)
x stands for pounds
y stands for dollars,
the slope is 2/1
(rise over run)
Answer:
A B C D
Step-by-step explanation:
Hey you said to select all
A and D
I think that it’s 7b + 3r.
Answer:
x = 8
Step-by-step explanation:
subtract 8 from both sides to get x = 8