Which of the ratios below has a unit rate of 8? Select all that apply. A) 40:5
B) 24:16
C) 96:12
D) 48:6
E) 2:24

The price of a coat increased from $78 to $92. what is the price increase percentage?

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

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?