Answer:
a : c = 6 : 5
Step-by-step explanation:
Expressing the ratios in fractional form, then
=
×
×
=
×
×
=
= 
Thus a : c = 6 : 5
75/15=5
3*5=15
y would equal 15
Hope this helps :)
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Answer:
37.68
Step-by-step explanation:
C(circumference)= 2pi r
If the diameter is 12, the r adius is 6
plug into equation
2(pi)(6)
=12pi
=37.68
It is 3 1/8 because 9.2 is a decimal and a fraction is 3 1/8 and a mixed fraction is 3 7/8