Directions: Calculate the Percent Increase or Decrease between the starting and ending quantities below. Round your answer to one decimal place. Start: 3
End: 10

Start: 40
End: 20

Start: 9
End: 20

Start: 100
End: 85

You bought some jeans for $55. Today they were on sale for $40. What was the percent decrease in price?

In 1987 the average price of gas was $0.94. Today the price of gas is about $3.00. What is the percent increase from 1987 to today?

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x