Answer:
a)6 hrs
b)faster
Step-by-step explanation:
a) 9*2/3=6
Answer:
71.2
Step-by-step explanation:
A square has 4 sides that are all the same length.
4 x 17.8 = 71.2
Answer:
a
Step-by-step explanation:
It's like A2+B2=C2 so:
A2+B2=C2
A2+ 21(squared)=29(squared)
A2=441=841
A2=400
A=√(400<span>)
</span>A=20