Answer:
Equation is
where
denotes number of cups of orange juice needed by Sam.

Step-by-step explanation:
Let
denotes number of cups of orange juice needed by Sam.
Number of cups needed to make punch 
Number of cups with Sam 
Therefore,

Answer:
3.5
Step-by-step explanation:
The right answer is -2585
Answer:
6+18x
Step-by-step explanation:
=6(1+3x)
=6×1+6×3x
=6+18x
C. Euclid is known as the father of Geometry