A soccer field is 120 meters long (x-axis) and 90 meters wide (y-axis). The field crew needs to find the midpoint of one of the diagonals so they can paint a new center circle. What are the coordinates of the midpoint?

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !

The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)