Answer: D. 12h + 21h2
Step-by-step explanation: The answer is D,
because when you devide 12h/3h = 4
and for the other value 21h2/3h=7h
4 + 7h
if you perform the same operation with the rest of answers you will get a minor values if you compare with this results, because of that the answer with the greatest common factor is D.
Irrational, because it is a repeating decimal.
Answer:
2x-15
Step-by-step explanation:
Sara has x dollars
dina has 15 less which is
x-15
together it will be
x+x-15
=2x-15
you can use the distributive property
assume a 1 in front of the prenthasees
93+1(68+7)
distribute
93+68+7
use communtative property to move around
93+7+68
add
100+68
168
commutative and distributive