ILL GIVE BRAINLIEST PLEASE HELP ASAP Ron is scuba diving. At noon, his altitude was -4.5 feet. At 2pm, he was 6 times deeper. Then, by 4pm, he had swam 2.5 feet towards the surface. What was his altitude at 4pm?

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?