Total = 28
Girls. Boys.
4. 3
28/4= 7
7 x 3 = 21
ANSWER = 21
Answer:
Be more detailed, BC i can only give you a general answer a^2 + b^2 = c^2
Step-by-step explanation:
You can't take away 6 from 2 but you can switch them and get 6-2 and that's =4 10-8=2 7-5=2
Answer:

Step-by-step explanation:
In a right triangle the tangent of an angle is the ratio of the opposite length over the adjacent*. In formulas,
Solving for x, using a calculator for the tangent, 
*I promise I didn't just spellcheck that.
The different combinations is 9, since we can't rearrange the two novels.
I did 3*3 which equals 9.