378. Comparing the each batch, there is a difference of 18 for each batch. So 7*18= 126, then add that to 252; you'll get 378.
(ex 198-180=18; 216-198=18; etc)
hope that helps
31,800/12=2650
hope this helps!
Answer:
C. R is not equal to -10
Step-by-step explanation:
Restrictions usually deal with preventing the case of dividing by 0. In this case, you'll look at the denominator.
If R = -10 and 10 was added to it, then the denominator would become 0.
Therefore, the expression would be messed up.
B is where the line crosses the y axis
