Answer:
49.41
Fine the lengths of the top, bottom, and left side first. the do bottom - top and you get 6. To get the length of the right side, do left side squared + 6 squared and you get the length of the right side squared. The answer is top + bottom + left side + square root of right side squared.
The square root of 16 is 4
Answer:
-1
Step-by-step explanation:
1-2k=-3k
1-2k+2k=-3k+2k
1=-1k
1/-1=-1k/-1
-1=k
Answer:3 in. per yr
Step-by-step explanation:
Present height of Samantha is 
After next 
she grew to 
Increase in her height
Increase in height per year is 