12,800 is rounded to the nearest hundred
Step-by-step explanation:
First you need to find the semi perimeter (s) and apply the formula of the triangle and you will get your answer
Depends on the time and place.
C
A slope of

means that for every time x goes up by 3, y goes up by 4.
28 - 22 = 6 which is 2 times 3.
while 10-2 = 8 which is 2 times 4.
This fits the slope.