The length of the side of an equilateral triangle is represented by 2x - 1. If the perimeter of the triangle is 21 what is the value of x

Which of the following represents the range of the graph of f(x) below

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f