Answer:
-19
Step-by-step explanation:
she spent 12 and 7 dollars which are being subtracted from her budget, therefore there is a -19 dollars effect on her budget.
Answer:
She kayaked for 6 hours.
Step-by-step explanation:
If $10 is the initial fee, subtract $22 - $10 = $12.
If it charges $2 per hour, divide $12 by $2 which equals 6 hours.
The perimeter of the rectangle is given by the formulae,

Where

is the length and

is the width of the rectangle.
Now let us substitute into the formula,


The above expression corresponds to option
F.
Now when we expand the bracket, we obtain,

This also corresponds to option A.
The correct answers are
Answer:
yes
Step-by-step explanation:
- ∆ABD is right angled hence area:-




There is only one option containing 6x^2 i.e Option D.
Hence without calculating further
Option D is correct