Atelephone cable runs from a to b to c to d. how much cable is required to run from a to d directly, if ab = 247, bc = 84, and cd = 41?

hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

i those same problems in math and dont know how to do them