Evaluate the following expression when b = -2.4

2 x 5x =

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Which strategy is used by public health to reduce the incidence of food poisoning?

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.)