Name a device that measures distance travelled by automobiles. A body travels a distance of 15 m from A to B and then moves a distance of 20 km at right angle to AB. Calculate the total distance travelled and the displacement.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

Pls brainliest will be awarded if answer is correct

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years