Select all situations that could be represented by a constant rate.
a) the number of cars manufactured per day at a factory
b) the speed of a toy rocket as it is launched straight into the air the number of
c) rotations per minute made by a fan
d) the population increase of a bacteria colony in a petri dish

If its non of them tell me..valerie took a day-trip. she drove from her house for a while and took a coffee break. after her coffee break, she continued driving. after  2  hours of driving after her coffee break, her distance from her house was  210  miles. her average speed during the whole trip was  60  miles per hour.valerie created the equation  y−210=60(x−2)  to represent this situation, where  xx  represents the time in hours from her coffee break and  yy  represents the distance in miles from her house.which graph correctly represents valerie's distance from her house after her coffee break?