Answer:
She worked 15 hours
Step-by-step explanation:
225$/15 hours = 15 bucks an hour
I wrote the steps down, hopefully you understand them and the answer is on the lower right corner.
Answer: Opens up, has a minimum
Step-by-step explanation:
If the x^2 term is positive the parabola opens up, if it is negative it opens down. Minimum always goes with up, maximum with down
Answer: 25%
Step-by-step explanation:
16 000 - 12 000 = 4000
16 000 / 4000 = 4
100 / 4 = 25
The answer is 67% because it rounds to 67%