Answer:
b=-3
Step-by-step explanation:
-7b=21
-7b/-7=21/-7
b=-3
Just 9
I'm not sure for the second one but I think 1 ft
Answer:
In each shelves there are 64/4 books I.e. 16.
Answer:
x= 120
Step-by-step explanation:
x+60=180
x=180-60
x=120
I’ve attached my work...
Hope it helps!
If you have any questions, comment!
Have a nice day or night:)