An airplane is at an altitude of 1200 m, the angle of depression to a building at the airport on the ground measures 28∘. find the distance from the plane to the building. round your answer to the nearest tenth. hint: find the hypotenuse. the distance from the plane to the building is meters.

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a

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