Answer:
=9y^2−4
Step-by-step explanation:
3y−2)(3y+2)
=(3y+−2)(3y+2)
=(3y)(3y)+(3y)(2)+(−2)(3y)+(−2)(2)
=9y^2+6y−6y−4
=9y^2−4
Answer:
The answer is A. 2x + 4y is lesser or equal to 75 because they are talking about 2 pairs of jeans first
Answer:
10.63
Step-by-step explanation:
Data provided in the question
Data = 30 subjects
The Variance of scores = 113.00
The calculation of standard deviation is shown below:-
As we know that
Variance = Standard deviation^2
Therefore,
Standard deviation = 
= 
= 10.63
Therefore for computing the standard deviation we simply applied the above formula.
Answer:
Decimal form: 3/20 = 0.15
Percent form 3*100 / 20 = 300 / 20 15%
Step-by-step explanation:
3/20 can be written as:
- Decimal form: 3/20 = 0.15
- Percent form 3*100 / 20 = 300 / 20 15%
Hope this help you :3