Hi what is the surface area of a rectangular prism with the following measurements:

15 cm height
5 cm width
5 cm length

thanks
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What is the missing constant term in the perfect square that starts with x^2 -20x

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

Is the power produced directly proportional to the wind speed, give reasons for your answer?