Answer:
{121,144,169} X intersecting Y means common number between x and y set
Amount Financed(P) = $ 128,000
Time = 15 year
Rate of interest= 5.05%
Amount after 15 years translates to,

Rose and Andrew has taken four points to lower their rate to 4.81% .
Amount after 15 years translates to, if rate of interest is 4.83 %
Cost of four points = 268,009.890 - 259,713.0404
= $8296.8496
Answer:
1/8 for the first one then 1/6 for the second one
Step-by-step explanation: