Number of users for some internet service provider has always averaged five thousand with a standalone deviation of 800. after an equipment upgrade, the average number of users at 100 randomly selected moments of time is 5200. does it indicate at 5% level of significance that the mean number of users has increased

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7

Gabrielle's age is three times mikhail's age. the sum of their ages is 40 . what is mikhail's age? __ years old