What effect does a in ax^2 have on a graph of a porabola

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?

How are sas and sss used to show that two triangles are congruent?

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost