Which of the following pairs of numbers contain like fractions?
a. 3
/2
and 2
/3
b. 6
/7
and 15
/7
c. 5
/6
and 10/12
d. 31
/2
and 43
/4

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

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?

Consider the image of klmn for the translation (x, y) → (x – 2, y – 1). what is the ordered pair of l′?