Answer:
40
Step-by-step explanation:
8 - 72
x - 360

Any object when rotated by 360°, will look exactly the same
Answer:
16b4=9
Step-by-step explanation:
(4b²+3) (4b²-3)
16b4-12b²+12b²-9
16b(raised to power 4)-9
16b4-9
collect like terms
16b4=9
Average speed is given by [Total Distance] ÷ [Total Time]
Average speed =

km/hour
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