Answer: to make 78 copies it cost 26 dollars.
Step-by-step explanation:
18 copies - 6 dollars
78 copies - x dollars
Hence,

Answer:
first deal with g(-1)
y=4a - 3
a=4y -3 and now make y the subject again
a+3/4...now put it into f(a)
2(a +3/4) simplyifying
a+3/2 as yo final ans
To solve y, we need to make y the only value on the left hand side of the equation:

Therefore the value of y = -14+3x.
Hope it helps!
Answer: 2000KM
Step-by-step explanation: I just took the quiz
Answer:
15°
Step-by-step explanation: