Answer:
third graph
Step-by-step explanation:
We represent the above information in a two way frequency table.
Have Snowboarded Never Snawboarded Total
Skateboard 35 64 99
No Skateboard 13 147 160
Total 48 211 259
Therefore, the third graph is the correct answer.
Answer:

Step-by-step explanation:
The systems of equations are
Let us assume the rate of the current be c
Now actual speed against the current is (15 - c)
And, the actual speed with the current is (15 + c)
Here we applied the time formula i.e. distance by speed
Also the upstream time - downstream time = 4
Now the equations are

Answer:
9 and a half inches
Step-by-step explanation:
Just count via the ruler!
Answer:
its a line
Step-by-step explanation:
Answer:
615.44cm
Step by Step Answer:
A=πr^{2}=π·14^{2}≈615.75216