Answer:
it's 5 because 20 -15 is 5
Answer:
associative property
Step-by-step explanation:
Grouping like this
a + (b + c) = (a + b) + c
or
a(bc) = (ab)c
is the associative property
10 1/6 just add the fractions together
19,999 because 5 and up round it up, lower than 5 round it down.
