Answer:3
Step-by-step explanation:
Answer:10
Step-by-step explanation: If you see that the vocabulary questions is 20 percent of the total number of questions which is 50, then you multiply 20/100 with 50 which is 1/5 of 50 which is 10 questions. Hope this helps
Answer:
Step-by-step explanation:
-1760 is the answer 83 times 83 minus 93 times 93 is -1760
Answer:
100$
Step-by-step explanation:
he profit from 1 popcorn=0.85$
from 200=170$
170$-70$=100
Answer:

Step-by-step explanation:
Given




Required
The rate of change (b)
The above graph is represented as:

For:
;
We have:





For
,
We have:



Substitute 

Divide by 2


<em>Hence, the rate of change is 2.50</em>