Answer:
hi........................................
Answer:
C = 66 cm
Step-by-step explanation:
C = pi*diameter
C = pi*21
C= 65.9734457254
C is around 66 cm (when rounded to whole number)
The answer would be
because you are using 12 as the base and 12 x 12 = 144
Use PEMDAS. Start by eliminating the exponents. you should be left with 3 numbers on bottom and 3 on top
multiply them then divide
50% off if the glasses were lets say 10 dollars 50% is 5 now if you were to do 35% it would be 6.5. now discount the 20% its 5.2