exam Maths Puzzle Numerical Ability

4^x + 4^-x = 5/2. What is x

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exam Other Question

Building a Sand Volley Ball Court. Length of the rectangular court is 60 ft and the width of the court of 30 ft. Need to excavate down 6 inches in order to pour sand. A rope is u EVALUATE: a-13 when a =33

2 =3y when y=8