Answer:
18
Step-by-step explanation:
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:

Answer: PQ = 18
Step-by-step explanation:
You would divide 21/14 to see what the size difference in the triangles is to get 1.5. 1.5x12=18
Answer:
L = 3√5
Step-by-step explanation:
A square and a rectangle have equal areas.
Area of a square = Area of a rectangle
L² = H * W
If the dimensions of the rectangle are 15 units by 3 units,
L² = 15 * 3
L² = 45
Determine the length of the side of the square.
L = √45
L = 3√5