Your final answer is going to be 4r + 3r ^2 +7
Answer:

Step-by-step explanation:
A is the hyp. And b/c are the sides
A²=b²+c²=3²+2²=9+4=13
Now take the square root of 13 as the answer
Answer:
i dont understand either
Step-by-step explanation:none
The chance on flipping heads once is 1/2
so to get your answer all you have to do is multiply 1/2 by its self 3 times
(1/2)(1/2)(1/2)=1/8 or 0.125