Answer: The answer is 6.
Step-by-step explanation:
I’m not sure of the context of your class, but the second choice will give you -21 and the third one will give you -15. The first and last choice are positive, so just between those two
if i'm wrong i'm sorry but i think the answer is C
Katrina can rums 10 miles per hour because if you multiply 5 miles per hour by 2 is ten