Answer:
1st cylinder: 3541.9 square mm
2nd cylinder: 439.6 square cm
Step-by-step explanation:

Second cylinder.

Answer:
1-12x=-20-9x
-12x=-21-9x
-3x=-21
divide both sides by -3
x=-7
Step-by-step explanation:
Answer:
158%
Step-by-step explanation:
19/12 = 1.58
Answer:
Step-by-step explanation:
Answer:
Thanks
Step-by-step explanation: