At the beginning of spring, Anthony planted a small sunflower in his backyard. When it was first planted, the
sunflower was 5 inches tall. The sunflower then began to grow
at a rate of 1.5 inches per week. How tall would the sunflower
be after 9 weeks? How tall would the sunflower be after w
weeks?

- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."

600,000,000,000, or 6e14

step-by-step explanation:

the first option is the answer.