Answer:
see explanation
Step-by-step explanation:
given
a² + b² = c² ( isolate b² by subtracting a² from both sides )
b² = c² - a² ( take the square root of both sides )
= ± 
b = ± 
Mean = sum of values / number of values
74 = x/32
2368 = x
70 = y/19
1330 = y
mean for female students = (2368 - 1330)/(32-19) = 79.85
Seventy-nine-thousand-and-thirty-one
I hope that's right I'm not too sure lol
Answer: d) perpendicular bisectors of
Step-by-step explanation: