Answer:
c=85
Step-by-step explanation:
use Pythagoras Theorem
a²+b²=c²
75²+40²=c²
5625+1600= ²
7225=c²
85=c
Answer: B= 2,4
C=8,1
x: females
x+14: males
so 34=x+x+14
M= 3
l2ecdnienofnweucon fuovnewdionsdv wqueijncqodi
7h-15h+40=-72
40+72=15h-7h
112=8h
h=14