Answer:

Step-by-step explanation:
The given function is

To find g(n-7), we substitute x=n-7 to obtain;

Expand the parenthesis to obtain;

Simplify:

Step-by-step explanation:
number2 the answer is a and
number 3 the answer is letter b
Answer:
(3+2)x - 4x
Step-by-step explanation:
I just converted the words, turned them to operations and that's it!
Hope this helps! :D
- Anna
Step-by-step explanation:
Below is an attachment containing the solution.
Explanation:
Volume of rectangular prism: Length * Width * Height
Solve:
<u></u>
<u>1)</u>
Volume: 9 * 9 * 9 = 9³ = 729 cm³
<u>2)</u>
Volume: 7 * 3 * 2 = 42 m³
<u>3)</u>
Volume: 7 * 7 * 7 = 7³ = 343 cm³