Arecipe for cookies calls for 2/3 of a cup of sugar per batch. elena used 4 2/3 cups of sugar to make multiple batches of cookies. how many batches did she make?

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?

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.