Answer:
9, 40, and 42
Step-by-step explanation:
The mean is the average of the numbers: a calculated "central" value of a set of numbers.
Therefore: If the amount spent on books per month by all her classmates is leveled that amount would be $30
To calculate it: add up all the numbers, then divide by how many numbers there are
Answer:
F=100
E=80
D=90
Step-by-step explanation:
13
Explanation: a^2 + b^2 = c^2
12^2 + 5^2 = c^2
144 + 25 = c^2
/169 = c
c = 13
Answer:
Step-by-step explanation:
Last one
