Ok, I swear. Last one. Extra points though

10 b/c 5*2 =10

step-by-step explanation:

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 : )

x = 12

y = 1

for the points!