Answer:
4.1
Step-by-step explanation:
18+x+x=180
180-18=162
162/2=81
X=81
Triangles always have a total of 180 degrees and the angles have the same variable which means they are the same number.
Answer:
It would be 78.40 if it increase and decreases from its original price
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.