Anja is creating a triangle using three straws. the two shorter straws have lengths of 20 cm and 21 cm. how long, in centimeters, should the third straw be for anja to create a right triangle?

Rose and andrew are financing $128,000 to purchase a condominium. they obtained a 15-year, fixed-rate loan with a rate of 5.05%. they have been given the option of purchasing up to four points to lower their rate to 4.81%. how much will the four points cost them?