Answer:
C. 14 years old
Step-by-step explanation:
If we look on the graph, the y-axis is the time it took for people to run the race. If we look for the point that is lowest on the y-axis and the corresponding age, it is age 14, so the person who won the race was 14 years old.
5
<u>move constant</u>
x+7 ≥ 12
<u>subtract</u>
x≥ 12-7
<u>solution</u>
x ≥ 5
2x^2 - 3x - 1
Transitive property
When a=c and b=c, a=b
A would be 16+43
B would be 59
C would be 10+49
