Answer:
Should be 12
Step-by-step explanation:
I am not best at math so I cant explained well
the answer to this question is 9x
Answer:
The first one.
Step-by-step explanation:
The third and fourth ones can't be right because at when the line takes its first curve (just before .25 hours) it doesn't keep increasing in height, and she walked during that time.
The second one can't be right because when she started out she wasn't immediately between 1.25 and 1.5 miles.
That leaves only the first one.
Answer:
-5
Step-by-step explanation:
- 9(2x+15)=45
- 18x+135=45
- 18x=45-135
- 18x=-90
- x=-90/18
- x=-5