If a student scored 88 points on a test where the mean score was 80.2 and the standard deviation was 5.7 the student z score is?

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 many 2/5s are in 1 and 1/2 plz someone me right now

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?