Answer:
Step-by-step explanation:
∠DEF=90-58.2=31.8°
FOIL
x^2+11x-9x-99
x^2+2x-99
It could be 8ft, if the area is 64.
Answer:

Step-by-step explanation:


Answer:
C. 3⁶
Step-by-step explanation:
Exponents with the same base follow this exponential rule for division:
When the bases are the same, we can subtract the exponents.
The bases are the same in this problem: 3. Therefore, we can subtract the exponents from each other:
The final and correct answer is C. 3⁶.