Answer:
distribute the monomial into the polynomial and be careful of sign errors
Step-by-step explanation:
Answer: 25
Step-by-step explanation:
20/4=5 so 5 books per month then a total of 5 months so 5x5=25
Answer:
7.83783783784
Step-by-step explanation:
So, C is the correct option
No there totally differnt
Answer:

Step-by-step explanation:
Because
is being multiplied by S, we can divide
from both sides of the equation. This will give us:
÷
But, that looks a bit hectic. Instead of dividing, you can multiply by the reciprocal (which is essentially how to divide fractions). So, instead of
÷
, you get:
×
When multiplying fractions, remember you can just multiply straight across-- numerator x numerator, then denominator x denominator.
By doing that, you get the fraction 
cannot be simplified any more, so S=
is your answer :)
I hope this helps