Answer:
c = 4x + 35
Step-by-step explanation:
Imagine c = cost
$35 is base price so you add that to whatever else you spend.
Let x = number of channels you buy. ($4/CHANNEL)
so cost is equal to $4*channels plus 35
Therefore
c = 4x+35
Answer:
2y
Step-by-step explanation:
2x3y + 18xy - 10x2y - 90y
6xy + 18xy - 20xy - 90y
All terms can be factored by y and 2.
Answer:
-24
Step-by-step explanation:
Yeah, it's constant. The plane's going down 3000 every min.