A certain forest covers an area of 3100 km2. Suppose that each year this area decreases by 5.25%. What will the area be after 15 years? Round your answer to the nearest square kilometer.

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

An equation representing lyle’s hedge-trimming business is a = 12n - 300 where a is the amount of profit or loss in dollars and n is the number of hedges trimmed. how would the graph of lyle’s business change if the equation a = 10n - 300 represented his business? the graph would be flatter. the graph would be steeper. the graph would start closer to the origin. the graph would start lower on the y-axis.

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.