For working 3 hours, sofia earns $30.60. for working 5 hours, she earns $51. for working 6 hours, she earns $61.20
what is the slope of the line?
what does the slope of the line represent?

1. what are the missing reasons in the proof 2. it's in the second picture and 3

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?