What is 4,321,109,432 rounded to the nearest ten million? a. 4,000,000,000 b. 4,320,000,000 c. 4,321,000,000 d. 4,322,000,000

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

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?

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.