Which of the following does NOT show a rate of 12 text messages per hour? a. Raquel receives an average of 6 text messages every 1/2 hour.
b. image attached
c. y = 12x where x is the number of hours and y is the number of text messages
d. image attached

(0,0) doesn’t show a rate of 12 messages per hour

I’m confused about the rest please elaborate

Step-by-step explanation:

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x