C) 2 /3 parts of a tank contains 80 litre of water. How much water does 3/8 parts of the tank contain?​

Measure a and b and find their sum. how are the angles related?

The table below shows the angle measurements for triangle abc and triangle xyz. if triangle abc is similar to triangle xyz, what does angle z equal, in degrees?

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)