Answer:lol it's -3
Step-by-step explanation: it's 3 because you had dirt 45.50 in your account and then you have to get books and those books will cost $3 more which means that you don't have that money since it indicates that in the problem which means that it would be -3 because you don't have the money so that's why I think it's negative 3.
The range of communication is about 55 meters.
Answer:
13
Step-by-step explanation:
b= 3
3x3= 9
9+4= 13
3x3+4=13
Hope this helps