A train travels at 62 mph, and has been traveling for 4.45 hours. Another train speeds along at 88 km/h and has been on the track for 3.3 hours. What is the total distance, in km, that each train has traveled (round to the nearest tenth)? hi guys i hope you can help me thanks!

15 points ! ~ see if you know the answer to both you!

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4