Leslie is speeding up to merge with traffic. When she begins to speed up, she has a velocity of 7.0 m/s west. When she merges with traffic 7.0 seconds later, she is traveling 23 m/s. Assuming east to be the positive direction, what is Leslie’s average rate of acceleration during this period? Select one:

a.2.3 m/s ^{2}

b.1.9 m/s ^{2}

c. -1.9 m/s ^{2}

d.-2.3 m/s ^{2}

i was thinking more like reflects green light, just not sure

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as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper

the second one and the forth one are in the purple because they are opinions and the rest are in the yellow

explanation: