exam
Maths Puzzle
Numerical Ability
hi i really need your help.I really dont know how to do this can you help me.
it says to evaluate:
52�� (-22 + 32) + 24 � (1/4) =
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122 - 42�� (-1/2) + 2 � (-3)2 =
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A triangle has a side 100 feet long and a second side 35 feet long with a 25 degree angle between them. What is the approximate area of the triangle?
8/5-(-9n)=7/2n-5
