Right answers: <span>A hot-air balloon ascends 2000 ft from the ground and then descends 2000 ft.
</span><span>Noa hiked 2 mi up a mountain trail and then hiked 2 mi down the trail.</span>
0.17
.....................
They are equal if u already have one answer
Answer:
f(x) = x² - 81 = ( x+ 9)(x - 9) Difference of two squares
g(x) = x+9/x-9
g(x) . f(x) = x + 9/ x - 9 × (x+9)(x - 9)
= ( x + 9)(x +9)
= ( x + 9)²
= x² + 18x + 81
Hope this helps.
Answer:
r≈2.39
Step-by-step explanation: