Domain = R
Range = R .............
ANSWER

EXPLANATION
The diagram represents the net of a rectangular prism.
The dimensions are,


and

The total surface area of a rectangular prism is given by:

We substitute the values to obtain,


ANSWER

to the nearest thousandth.
EXPLANATION
The given irrational number is

We use the calculator to evaluate this to obtain,

To round to the nearest thousandth means we are rounding to 3 decimal places.
The third decimal place is 5.
The next number is 5 so we round up.

Step-by-step explanation:
8.35 < 3x + 18.75
3x + 18.75 > 8.35
3x > 8.35 - 18.75
3x > -10.4
x > -3.47
D because a has to be younger than 18 and it has to be positive because we are never a negative age. do you understand when i mean?
<span />