Answer:
1
Step-by-step explanation:
listing the factors of both numbers
factors of 10 are 1, 2, ,5, 10
factors of 3 are 1, 3
the only common factor to both is 1
the greatest common factor is 1
h(3b)=12b+4
another answer
h(3b)=4(3b+1)
h(x)=4x+4
h(3b)=4(3b)+4
if need to simplify..then:
52 minutes.
it looks like an triangle in the option above lol