False, False, True
**********
The first is false since the square root of 19 is 4 and 4/7 is not a whole number
The second is false since the square root of 40 is 6.32 which is less than 7
The last is true because the square root of 30 is 5.48 and that makes the fraction equal 3.65 which again is a whole number while 2/3 is not
Answer:
592
Step-by-step explanation:
A=2(wl+hl+hw)
A=2(8*10+12*10+12*8)=592
The simplified expression of
is 
<h3>How to simplify the expression?</h3>
The expression is given as:

Divide 162 and 2 by 2

Take the square root of 81

Apply the quotient rule of indices

Evaluate the difference

Take the square root of x^18

Hence, the simplified expression of
is 
Read more about expressions at:
brainly.com/question/723406
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Answer:
Donald Trump is the unfortunately current president of the united states.
if this is an actual question, you should have put it in the history category instead.
ANSWER:
We know that the sum of angles of same sides in parallel lines are supplementary(180°).
So, ∠6 + 24° = 180°
- ∠6 = 180° - 24°
- ∠6 = 156°.