On a dell river, a boat will pass the colby drawbridge and then the wave drawbridge opening times. there are 60 minutes in a hour so use 60 as a common denominator. then rename each opening time using another common denominator. explain how you found your answer

45/60 and 10/60 because we know that the common denominator is 60 then 3/4 of an hour is 45mins then 1/6 of an hour is 10

is only a line? i think so

the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

step-by-step explanation: