Today Jose put $3 in the bank and his wealthy grandparents will double it on the next to last day of each month. How much money will be in the account after a year of doubling?

Me asap! what is the slope of this line? enter your answer in the box.

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?

Im so bad at fractions they are not my best math thing to work on