Fast! how can 33 over 9 be expressed as a decimal? 2.3 with bar over 3 3.6 with bar over 6 4.3 with bar over 3 4.6 with bar over 6

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?

What is the length of the segment, endpoints of which are intersections of parabolas y=x2? 11 4 x? 7 4 and y=? 7 8 x2+x+ 31 8 ?

Which of the following is the graph of y= square root -x-3