Answer:
441 square feet.
Step-by-step explanation:
Area = length times width. Both length and width are 21 feet (3×7).
Answer:
x^4+64 = x^2 -4x+8 * x^2 +4x+8
Step-by-step explanation:
You didn’t show us the answers we can choose, how do we solve it then
Answer:
-9 and each term is subtracted by 5 to get the next term.
Step-by-step explanation:
The previous term is subtracted by 5.