Shoppers leaving Midtown Mall were asked to give their age. Use the line plot to answer each question. This question is for 40 points and ill also mark brainliest

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?