Which polynomial function has a leading coefficient of 3 and roots-4, i, and 2, all with mu
f(x) = 3(x + 4)(x-7)(x - 2)
f(x) = (x - 3)(x + 4)(x - 1)(x - 2)
f(x) = (x - 3)(x + 4)(x - 1)(x + 1)(x - 2)
f(x) = 3(x + 4)(x - 1)(x + 1)(x - 2)

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

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

Pleasseee important quick note: enter your answer and show all the steps that you use to solve this problem in the space provided. use the circle graph shown below to answer the question. a pie chart labeled favorite sports to watch is divided into three portions. football represents 42 percent, baseball represents 33 percent, and soccer represents 25 percent. if 210 people said football was their favorite sport to watch, how many people were surveyed?