Acar travels at an average speed of 68 miles per hour. how long does it take to travel 323 miles? you will be awarded the brainiest answer if the answer is correct and you have a brief explanation of whys its the answer. you!

Need this asap if anyone can i would be very grateful. if you could show workings that would really

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?

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.