Whats the volume of a cone? Lengths: 9cm, 5cm

A)225cm^3
B)75cm^3
C)25cm^3
D)15cm^3

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?