Answer:
I don’t even know, what was the question?
Step-by-step explanation:
Answer:
1,3,4
Step-by-step explanation:
aertyu
Answer:
The total change in water level over the past 2 years is
.
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Fractions
Numbers
- Least Common Multiple (LCM)
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify</em>
Year 1 water change: 
Year 2 water change: 
<u>Step 2: Find Total Water Change</u>
- [Set up] Add yearly water changes:

- [Fractions] Convert to improper:

- [Fraction] Rewrite [LCM]:

- [Order of Operations] Subtract:

- [Fraction] Convert to proper:

Answer:
20
Step-by-step explanation:If p=100% and t=20% than 5×20=100 because if you add 20 five different times you get 100.
Answer: 7
The greatest common factor of 7 and 28 because 7 is the maximum number that goes into 7 and is also a multiple of 28.
Hope this helps! :)
Step-by-step explanation: