Answer:
Step-by-step explanation:
you would show x and y lines and title frequency to side and colours to bottom
0-40 on the y axis title is frequency
and on bottom graph put the colours. red blue and green always using equal intervals for names or time or colours along the x axis.
Answer: 
Step-by-step explanation:
Given
Sample space is 
There are 8 element in sample space which indicates the outcome of tossing a coin three times
Probability of obtaining at least one head
Answer:
21+3x
Step-by-step explanation:
Expand this:
3(7+x)
So it becomes:
21+3x
Given that they follow the format for straight lines and are therefore straight lines, they would only intersect once and that would be at (0,1) where they both have a y intersect.
Hope this helps :)
Answer:
The length is 13 inches.
Step-by-step explanation:
