One week, Alaina ran 12 miles in 131.25 minutes. The next week, Alaina ran 12 miles in 119.8 minutes. If she ran a constant pace during each run, about how much faster did she run each mile in the second week than in the first week?

Which point lies on a circle with a radius of 5 units and center at p(6, 1)?

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

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?