Answer:
3xy and 7xy are like terms.
Step-by-step explanation:
(a) Carson's statement is always true.
For example: (-7.2)/(-2.4)= 3 >0
(-1.6)/(-0.8)= 2 >0
(b) When we divide two negative decimals, we divide the decimals and don't care about the sign, for the sign is always positive.
Hope this helps~
