The tree in Bob's backyard is7 meters high. How high is it in centimeters?
Be sure to include the correct unit in your answer.

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Which shows the graph of the solution set of 3y – 2x > –18?

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?