Answer:
Hold up i know the answer.
Step-by-step explanation:
The first one it just makes sense.
The equivalent expression of
is 
Step-by-step explanation:
We need to combine like terms to create an equivalent expression. The given expression is: 
Like terms:
Like terms are those terms that have the same variables and same exponents.
In the given expression 2/5 m and -3/5 m are like terms.
Combining like terms:




The equivalent expression of
is 
Keywords: Like Terms
Learn more about Like terms at:
#learnwithBrainly
Answer:
The answer is: 642
Step-by-step explanation:
Add 6 + 4 + 2 = 12
You only have 2, 4, 6, 8 to work with. 642 rounded to the nearest thousand is 1,000. The order of 642 is from greatest to least and no number repeats.
So.. . . . . . √5=2.23607
1.05<√5<3.05