The table shows the pricing for four different brands of cat food. brand cost a $0.88 for 4 oz b $1.05 for 5 oz c $1.60 for 8 oz d $2.28 for 12 oz which brand costs the least per ounce? a b c d

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?