So, values of x are: 
Step-by-step explanation:
We need to find the square root of 5x^2 = 300
Writing in mathematical form:

Divide both sides by 5


Taking square root on both sides






So, values of x are: 
Keywords: Square root
Learn more about square root at:
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There are 60 minutes in one hour, so 75 minutes is equal to 1 hour and 15 minutes.

Their mom turned the TV off at 5:15.
Answer:
$360
Step-by-step explanation:
If the company charges $30 for $500 in one month.
The interest they will be changing for a year = 30*12 = $360 interest.
It's just simple, multipling the the interest value by 12 to get it's annual interest value.
Answer:
$900
Step-by-step explanation:
a)Off given on purchasing a TV= 20%
20% on TV = $ 180
Let the original price of TV set $ x
According to question,
20% of x= $180
×x= $180
x = $ 180× 5
x= $ 900
Hence, Original price of TV set= $ 900
b) By second method,
20%= $180
1%= $ 9
100% = $900
Hence, the original price $ 900
Answer: 2z + 6
Step-by-step explanation: Distribute the 2 to z and 3.