Patricia went to lunch with friends. She ordered soup and a salad for $11.75. The tax was 5.8%. What was the total amount Patricia paid for her lunch?

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

When is g(x) = 0 for the function g(x) = 5.23x + 4?