In a survey based on a random sample of high school seniors at Roosevelt High School, 60% of those surveyed said they do more than 2.5 hours of homework per day. Based on this
data which of the following conclusions are valid? (Choose 2)

A) Less than 60% of all seniors at Roosevelt do more than 2.5 hours of homework per day.

B) About 60% of seniors at Roosevelt do more than 2.5 hours of homework per day.

C) About 40% of all seniors at Roosevelt do less than 2.5 hours of homework per day.

D) 40% of seniors at Whitney do no homework.

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

The table below represents the displacement of a fish from its reef as a function of time: time (hours) x displacement from reef (feet) y 0 4 1 64 2 124 3 184 4 244 part a: what is the y-intercept of the function, and what does this tell you about the fish? (4 points) part b: calculate the average rate of change of the function represented by the table between x = 1 to x = 3 hours, and tell what the average rate represents. (4 points) part c: what would be the domain of the function if the fish continued to swim at this rate until it traveled 724 feet from the reef? (2 points)

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 - 2x