Billy ran 100 yards in 12.8 seconds. Javon ran the same distance in 13.2 seconds. How much less was Billy’s time than Javon’s time?

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes

Precalculus question, image attached.