Answer:
x=-2
Step-by-step explanation:
2x+1=(-3)
-1 on both sides
2x=-4
÷2 on both sides
x=-2
Hope this helps =]
Answer:
and 
Step-by-step explanation:
If the price for each dog is n+w+h,
Then the price for 4 dogs would be 4 times the sum of n, w, and h:

And can also be written as
using the distributive property.
Answer:
20 days
Step-by-step explanation:
2212 divided by 114 =19.40350877, so round it up to the nearest tenth, which is 20. he has read for 20 days