The ordered pairs (12, 32), (x, 40), (18, 48), (21, y) represent a proportional relationship. Find the values of x and y. Select the two correct answers.

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

$5400 is? invested, part of it at 11? % and part of it at 8? %. for a certain? year, the total yield is ? $522.00. how much was invested at each? rate?

36x2 + 49y2 = 1,764 the foci are located at: a) (-√13, 0) and (√13,0) b) (0, -√13) and (0,√13) c) (-1, 0) and (1, 0)