Fred and Sam are a team in the local 138.2-mile bike-run-athon. Fred will compete in the bike race, and Sam will compete in the run. Fred bikes at an average speed of 8 miles per hour and Sam runs at an average speed of 4 miles per hour. The bike race begins at 6:00 a. m., followed by the run. Sam predicts he will finish the run at 2:33 a. m. the next morning.

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?

Using graph paper, determine the line described by the given point and slope. click to show the correct graph below.(0, 0) and 2/3

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?