The best and most correct answer among the choices provided by your question is the third choice. There are 1350 different ring selections.
It is because:
3*15*30 = 1,350
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Answer:
8, 36, -12
Step-by-step explanation:
Q2
41 = 8x - 23
8x = 41 + 23
8x = 64
x = 8
Q4
11 = x/2 - 7
22 = x - 14
22 + 14 = x
x = 36
Q6
3(x - 8) = -60
x - 8 = -20
x = -12
49.5/ 5.5
= 9 minutes to run one mile