Marshall and Graham both lift a 50 lb. weight. Graham lifts his weight in 5 seconds. Marshall takes 7 seconds. Which of the following statements is true? A. Graham had more power than Marshall.
B. Marshall had more power than Graham.
C. Both boys had equal amounts of power

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

If chord ab is congruent to chord cd, then what must be true about ef and eg?

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?