U² + 6u - 27
u² + 9u - 3u - 27
(u - 3)(u + 9)
Answer:
4.4
Step-by-step explanation:
16.8 was for 4 hour
divide 4 by 16.8
you get 4.2 per hour
so you need 1 hour
1 hour would be 4.2
temp would be -4.2 at 9pm
Answer:
In vertex form, the parabola's equation is y=(x−1)^2 +5.
Step-by-step explanation:
The answer would be c hope that helped
