Solve 6 (1+3) <3 (21 + 6).

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?