At 0°c, the volume of a gas is 22 liters. for each degree the temperature t (in degrees celsius) increases, the volume v (in liters) of the gas increases by 225 . write an equation that represents the volume of the gas in terms of the temperature.

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

According to the data set, where should the upper quartile line of the box plot be placed?