A clothing store experimented with the price of blue jeans to see if the price affects the number of pairs sold. The results are shown in the table. What is the approximate slope of the line of best fit given by a regression calculator?
-0.98
–0.91
0.98
0.91

Why do interests rates on loans to be lower in a weak economy than in a strong one

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?

A6 ounce bottle of dressing costs $1.56 a 14 ounce bottle costs $3.36 a 20 ounce bottle costs $5.60 which has the lowest cost per ounce