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:
B) 2828.427g
Step-by-step explanation:
Hope this helps!
To change it into minutes you want to do unit analysis
105.6 L / h × 1h / 60 minutes
so 105.6L times 1h divided by 60 gives you:
1.76L / minute
Answer:
7. 22 2/5 8. 10 8/10
Step-by-step explanation:
7. 7x3=21 + 7x1/5= 22 2/5
8. 2x5=10 + 2x4/10= 10 8/10
Answer:
the scorce of the neww student is 72
Step-by-step explanation:
if you have a mean of 70 + 72 as the score then divide by 2 you get 71.
