Value of x if C is the midpoint of AB, AC=4x+5, and AB=78

Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by