Which statement is true about expert systems?
a. expert systems can produce results from sources beyond the knowledge base
b. expert systems can find patterns in data and generalize rules for other data
c . expert systems can infer the knowledge based on cause and effect
d . expert systems retain their knowledge base permanently

What is another way to express 36 +32

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?

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.