Answer:
<h2>-1</h2>
Step-by-step explanation:

Answer:
12k+3n
Step-by-step explanation:
If what ? What is the If part, so I can help answer your question.
Answer:
3/7 and 4/14
Step-by-step explanation:
a) 3/7 is not an equivalent of 6/21 because when you multiply the numerator and the denominator by 2 you get: 6/14
b) 4/14 is not an equivalent
Answer:
d
Step-by-step explanation:
keep change flip
keep 6/7
change division to multiplication
flip 18/3 to 3/18