Answer:
a = 4
Step-by-step explanation:
a^2 + b^2 = c^2
a= ?
b= 3
c= 5 (c is always the hypotenuse)
*plug in given values
a^2 + 3^2 = 5^2
a^2 + 9 = 25
-9 -9
a^2 = 16
*find the square root
sqrt(a) = sqrt(16)
a = 4
The answer to this question is

. Hope this helps.
Answer:
o
Step-by-step explanation:
o
thx for the points :D
Answer:
8
Step-by-step explanation:
10 + 8 = 18
18 x 2 = 36
Answer- 240 students
Explanation-multiply the amount of girls by two because they make up 50% of the school.