Answer:

Step-by-step explanation:
We want to find the square root of 50;
We need to first rewrite 50 as a prime factorization.

We now split the square root to get:

Take square root to get:


To the nearest tenth we have 
Answer:
x - 30
Step-by-step explanation:
3(x - 6) - 4(x + 3)
3x - 18 - 4x - 12
x - 30
Answer:
D is correct
Step-by-step explanation:
A is incorrect because the lesser than is .001 higher
B is wrong since is .18 higher
C is wrong because its not equalone is .9 higher
Answer: 24 students
Explanation:
(20 + 23 + 25 + 28)/4
= 96/4
= 24
Therefore the mean is 24 students in the class.
Answer:
49
Step-by-step explanation:
-n +4(2c+2) +6n =
Combine like terms
5n +4 (2c+2)
Distribute
5n +8c +8
Let c=2 and n=5
5(5) +8(2)+8
25+16+8
41+8
49