Negative 4 times the difference of a number and 7 is 12

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

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?

For the inequality |c| < |d| to be true, which of the following must be true?