The graph shows the time, t, it took a runner to run different distances, d. time (seconds)
10
9
8
7
6
5
4
3
2.
1
3 6 9 12 15 18 21 24 27 30
distance (meters)
How long did it take the runner to run 9 meters?

H(x)=4x2-5x h(-3) what is the answer?

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?