Answer:
So, we conclude that Mark is right.
Step-by-step explanation:
If we have the following expression: 15 - (37 + 8) : 3.
We will first divide the value we get in parentheses and then subtract it.
Because sharing is an older mathematical operation than subtraction. Therefore, we get:

So, we conclude that Mark is right.
Answer:
yes
Step-by-step explanation:
Use Pythagorean Theorem:
10² + 49.5² = 50.5² ??
100 + 2450.25 = 2550.25
2550.25 = 2500.25
Answer:
1. List the first several multiples of each number.
Look for multiples common to both lists. ...
Look for the smallest number that is common to both lists.
This number is the LCM.
Find the GCF for the two numbers.
Divide that GCF into the either number; it doesn't matter which one you choose, so choose the one that's easier to divide.
Take that answer and multiply it by the other number.
Step-by-step explanation:
Hope this helps!