Answer:

Step-by-step explanation:
Use the difference of squares formula.



Answer: A 15 units 2
Explanation: hope this helps
Answer:
f(9)=54
Step-by-step explanation:
Subsitute 9 for x in f(x)=6x

In this equation y would equal 4 or it could be 1
Draw the rectangle in the map and count the length, area, and perimeter