What is the value of x, rounded to the nearest tenth? 2.1 centimeters
Ο Ο Ο
O 3.3 centimeters
7.0 centimeters
15.0 centimeters

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

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?