Answer:
92
Step-by-step explanation:
LCM = 96
12 = 4×3
32 = 4 × 8
then GCF = 4
LCM - GCF = 96 - 4 = 92
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Loss implies a negative change, so the integer will be -15.
SA = 2
+2

1. Find the radius.
R = 1/2D
6 x 1/2 = 3
R = 3
2. Plug them in.
SA 2(3.14)(3)(7) + 2(3.14)(3^2)
3. Solve
3 x 7 = 21
21 x 3.14 = 65.94
65.94 x 2 = 131. 88
3^2 = 9
9 x 3.14 = 28.26
28.26 x 2 = 56.52
4. Add them together.
131.88 + 56.52 = 188.4
Answer: 188.4 square millimeters