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12ft x12.5 ft what is the square footage? The square base has sides of length 8 inches and the slant height is 6 inches. what is the surface area of the block.? What is the Domain and range of f(x)= -3 square root of 4x-12? 4cosα((sin(α+β)cosβ - cos(α+β)sinα)
Can someone help? What is half of 99,375?