Which statement is true about the extreme value of the given quadratic equation? A. The equation has a maximum value with a y-coordinate of -21. B. The equation has a maximum value with a y-coordinate of -27. C. The equation has a minimum value with a y-coordinate of -21. D. The equation has a minimum value with a y-coordinate of -27.

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did

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?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25