Is it Surface area or Lateral and then solve it

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

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?