The pressure of earths atmosphere at sea level is approximately 1000 millibars, and it decreases by a factor of 2 every 7 km as you go up in altitude.
a) if you live at an elevation of 1 km (3300 ft) what is the atmospheric pressure?
b) what is the atmospheric pressure at the top of a mountain that is 7722 meters?
c) by approximately what percentage does atmospheric pressure increase every km?

The ratio of wooden bats to metal bats in the baseball coach’s bag is 2 to 1. if there are 20 wooden bats, how many metal bats are in the bag?

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2xdesmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x