Can you help me soloved this it's not hard I will mark as brainliest the one who would solve this.​

9 rows total

Step-by-step explanation:

You want to find a number that divides into 28 and 35 to find the number of students in each row (least common multiple). 7 works.

28/7=4 rows

35/7=5 rows

4+5=9 rows total.

1 is c

2 is a

3 is a

step-by-step explanation:

- "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."