What is the difference between the exponets 4x and x4

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.