Answer:
4c+9d
Step-by-step explanation:
group together the twos to get four and the 3 and the 6 to get 9.
I took a picture of it for you
Answer:
D 19,905
Step-by-step explanation:
19,905.22×25%=4976.31
19905.22-4976.31=14,928.91
14928.91×8%=1194.31
14928.91-1194.31=13734.6
Answer:
second
Step-by-step explanation:
Δ=3²-4*1*4=9-16=-7