Here's two. I can't think of any more.
20/10
20-(-10)
Answer:
The answer is C. (a + -a = 0 )
Step-by-step explanation:
"The additive inverse of a number a is the number that, when added to a, yields zero"
Answer:
A AND D
B AND C
Step-by-step explanation:
If you change A into lowest terms it equals D
and if you cjange B into lowest terms it would equals C
Answer:
27
Step-by-step explanation:
2:3
18:?
-
2 x 9 = 18
3 x 9 = 27