Answer: -1/5
Step-by-step explanation:
14/20 - 81/90=
7/10-9/10= ==> 10 is the GCF of 20 and 90
(7-9)/10=
-2/10=-1/5
Answer:
D.
Bob should use the mean to make his selling price look like it's the greatest.
Answer:
C
Step-by-step explanation:
Answer:
10
Step-by-step explanation: