The volume of a cone varies jointly as the height of the cone and the area of the base. The volume of a cone with height 30 centimeters and base 14 centimeters squared is 140 centimeters cubed. Find the volume of a cone with height 7 centimeters and base 12 centimeters squared.

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

What is the equation of a line passing through (-6,5) and having a slope of 1/3

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.