Answer:
Part a)
of fabric
Part b)
of thread
Step-by-step explanation:
we know that
A seamstress uses
centimeters of thread for every
centimeters of fabric
Part a)
by proportion
Find how much fabric is involved if the seamstress uses
centimeters of thread

Part b)
by proportion
Find how many centimeters of thread is needed if the seamstress is working with
centimeters of fabric

6y-8
6y is 6 times y
-8 is 8 less
Answer: 9y+8x+9
Explanation: i added the y’s together and the regular numbers together
If you assume the rental cost changes in a linear fashion, the change over 6 years was $44. The "unit rate of change" is then $44/(6 years) ≈ $7.33/year.
23
because
the pattern is
(5 10) ..1.. (15 20) ..2.. (25 30) ..3..
..1... = 3
..2.. = 13
so ..3.. = 23