an appliance store sells a washer-combination for $1,500. if the washer costs $200 more than the dryer, find the cost of each appliance

What is the average rate of change for this function for the interval from x=2 to x=4 ?

What term makes it inconsistent y=2x - 4

Alexandra drove from michigan to colorado to visit her friend. the speed limit on the highway is 70 miles per hour. if alexandra's combined driving time for the trip was 14 hours how many miles did alejandra drive?