The band at Hawthorne Middle School consists of students in the sixth, seventh, and eighth grades. Student participation in the band is described by the two-way table below. Student Participation in the Band at Hawthorne Middle School In the Band Not in the Band Grade 6 19 243 Grade 7 15 237 Grade 8 17 241 What is the total number of students in the school band? 19 51 670 772

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

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?