What is the value of the expression -8+4-7+9+2 +(-5)

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?

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?