Choose the expression that best represents the phrase below. ...12 less than the number of apples... A. 12 a B. a 12 C. 12a D. 12 + a E. a - 12 F. 12 - a

E I think. If you have 24 apples, and you need to find out 12 less than the number of apples you have total, you could replace A with 24 and do 24-12=12 to find out that you have 12 apples.

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{3 + i, 3 - i, 3, -1}

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."