Sarah's expression is correct because for every hour you get 9 dollars so 9(1) is 9 dollars for one hour. Then for two Hours it would be 9(2) which equals 18.
Answer:
Step-by-step explanation:
$12 per square feet
180 square feet
180 x 12=2160.
Answer:
Bill = 3x-9
Step-by-step explanation:
Answer:
6 is the correct answer
Step-by-step explanation:
If you distribute you will get 4-3+5
Which is equal to 6
You would be left with 280 pistachios
