Answer:
Im not really sure but take c & d out cuz they are wrong so it would just b and a but Id say it is A:)
Answer:

Step-by-step explanation:
To write an algebraic expression from words, translate each word into a symbol. Division can be shown with a division sign or a fraction sign. Create a fraction with a 12 in the numerator and the variable t in the denominator.
1 hour = 60 minutes
60 minutes / 10 minutes = 6
So 6 times in one hour 3 buses depart.
6 x 3 = 18 total buses in an hour.
You have to use the y=mx+b formula to find the equation
It would just be 2 teaspoons