To find the answer ,multiply 2 1/2 by 2/5
(2/5)*(2 1/2)=1
Therefore you should use 1 cup of flour.
X/3-10=12
x/3=-2
x=-6
p/5+10=14
p/5=4
p=20
#9: 1 and 1 seventh
#10: 1.23
#11: 0.35
Answer:
c=62.8 a=314
Step-by-step explanation:
to find the circumfrence all you have to do is 2πr
and for area its πr²