Answer:
178
Step-by-step explanation:
Use Pythagorean Theorem to find the Hypotenuse
30^2+72^2=78^2
Use perimeter formula
a+b+c
38+72+30
Answer:
The mean is 52.
Step-by-step explanation:
The mean is the sum of all elements divided by the number of elements.
In this problem, we have that:
Elements
56 47 48 52 62 59 49 56 43 48
Sum

Number of Elements
10 elements
The mean is

Answer
D.
Step-by-step explanation:
48/4=12
$12 for 1 adult
10-4=6
42/6=7
$7 for 1 child