21x-9+6y
combining terms: 4x+17x=21x
Answer:
Ambitious
In this case, you have to multiply the price of the one way journey ($2.65) by 8 (as this is the number of individual journeys made in one week. It's gives you $21.20. As he has 1 bottle of water at $1.45 each day for four days, you have to multiply these together, giving you $5.80 You then have to add together $21.20 and $5.80, giving you $27. Therefore, it costs Edgar $27 a week
Step-by-step explanation:
Z = -2/3a
divide by -2/3 on both sides
a = z divided by -2/3
a = -3/2z
Answer:
The first one. Brainly is also in spanish