Six hundred adult Americans were asked by telephone poll, "What do you think constitutes a middle-class income?" Also, include the left endpoint but not the right endpoint. Salary ($)Relative Frequency
< 20,000.02
20,000–25,000.09
25,000–30,000.19
30,000–40,000.26
40,000–50,000.18
50,000–75,000.17
75,000–99,999.02
100,000+.01

What percentage of the survey answered "not sure"?
What percentage think that middle class is from $25,000 to $50,000?
Find the 40th and 80th percentiles.
40th percentile = Between $ and $
80th percentile = Between $ and $

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

The equation shown below represents function f. f(x)= -2x+5 the graph shown below represents function g. which of the following statements is true? a. over the interval [2, 4], the average rate of change of f is the same as the average rate of change of g. the y-intercept of function f is less than the y-intercept of function g. b. over the interval [2, 4], the average rate of change of f is greater than the average rate of change of g. the y-intercept of function f is greater than the y-intercept of function g. c. over the interval [2, 4], the average rate of change of f is the same as the average rate of change of g. the y-intercept of function f is greater than the y-intercept of function g. d. over the interval [2, 4], the average rate of change of f is less than the average rate of change of g. the y-intercept of function f is the same as the y-intercept of function g.

Which equation shows y= 3 4 x− 5 2 in standard form? a 4x−3y=10 b 3x−4y=10 c 3x−4y=−10 d 4x−3y=−10