The horsepower, H(8), required for a racecar to overcome wind resistance is given by the function H(s) = 0.003s2 +0.078 – 0.027, where s is the speed of the car in miles per hour. What is the average rate of change in horsepower per unit speed if the racecar increases in speed from 80 mph to 100 mph? 1.64 12.2 20.0 0.61 Done->

On any given day, the number of users, u, that access a certain website can be represented by the inequality 1125-4530 which of the following represents the range of users that access the website each day? u> 95 or u < 155 95> u> 155 u< 95 or > 155 95

Mindy bought 5/8 pound of almonds and a 3/4 pound of walnuts. which pair of fraction cannot be used to find how many pounds of nuts she bought in all.

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable