Answer:
la vida mafio
Step-by-step explanation:
mafioaso.
Answer:
x^2+3x+2x+1 is meant to be x^2 +5x+1
Answer:
I found x for you, right there.
Answer: 
Step-by-step explanation:
(a) Given
Sam charge $5 for each dog for a thirty minute walk
For an hour which is double the thirty minutes, it must be double of the same charge.

(b)Given
With $20, Christie sells 100 cups of lemonade with a quarter per cup charge
For 100 cup, she generate a revenue of

So, she earns
that is , her profit is 