Answer:
I believe its 7?
Step-by-step explanation:
sorry if this is wrong
Answer:
Step-by-step explanation:
(a). The median number of hours spent on Math was about 2.9 ;
Answer:

Step-by-step explanation:

Distribute.

Add 5x and subtract 15 on both sides.


Multiply -1 on both sides.

Answer:
1.5
Step-by-step explanation: