Mariah: 132
Pedro:124
Olivia: 123
Karen: 131
Leo:115
They way I solved this is by making a list of all the possible answers for each person, based on one fact at a time that they give you. Then, you can start looking at multiple, and start ruling things out.
Answer:

Step-by-step explanation:
The answer is 144
A basic unit of a chemical element
Answer:
X= -1/3 or 4
Step-by-step explanation:
9514 1404 393
Answer:
Step-by-step explanation:
We need x first.
AB = DE
12 = 3x -3
4 = x -1 . . . . . divide by 3
5 = x
Now, we can find y.
∠C = ∠F
7x +y = 55
y = 55 -7x = 55 -7(5)
y = 20