Answer:
I don´t know fully but you add by ones on top and add by threes on the bottom
Step-by-step explanation:
Answer:
$660
Step-by-step explanation:
You multiply 60 by 4 and get 240
Subtract 240 from 900
Answer:
c
Step-by-step explanation:
Subtract g add 1 divide by 2a
Answer:
D
Step-by-step explanation: