What is one eighth of 30 hours? Give your answer in hours and minutes.

32 squared subtract the square root of 576.

(-47) squared

27+-6 subtract -22

(-18+42) x-17

4 +(7x2) subtract 10x(6+3)

(4+7) x 2 subtract 12 x (6+3)

i) 3 hrs and 45 minutes.

ii) 1000

iii) +47

iv) 43

v) -408

vi) -72

vii) 22 - 108 = -86

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