Answer:
Brooke has 9 problems for social studies.
Step-by-step explanation:
I used addition. I did 15 + 5 = 20. and after that I just knew that you have to add 9 to 20 to get 29, so I figured out that she has 9 social studies problems.
Answer:
The value of X is 
Step-by-step explanation:
Given : 
To find : The value of X ?
Solution :

Converting ratios into fraction,


Cross multiply,



Therefore, The value of X is 
Answer:
B
Step-by-step explanation:
All angles are the same, all sides are of same length.
Answer:
p = 40
Step-by-step explanation:
20/6 = p/12
20 × 12 = 6 × p
240 = 6p
p = 240/6
p = 40