exam Maths Puzzle Numerical Ability

a cylindrical shaped water storage tank with diameter 60 feet and height 20 feet need to be painted on the outside. If the tank is on the ground, find the surface area that needs painting

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exam Other Question
A woman buys 3 pairs of jeans for $99.84, including tax. If each pair of jeans cost $32, what was the sales tax? write an equation of the line containg the specified point perpendicular to the indicated line: (4,5),7x-2y=1