16.
lyn asked some of her classmates how many
people are normally at home for dinner. she
recorded her results in the histogram shown at
right.
a. how many classmates were surveyed?
number of responses
b. how many classmates have eight or nine
people at home for dinner?
c.
8 10
number of people at dinner
can you tell which is the most common
number of people at home for dinner?
why or why not?

Use set builder notation to represent the following set: { -3, -2, -1, 0}

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?