Simplify the expression.2-5 ? 22
A. 4
B. 
C. 
D. 8
Answer: C
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Prove that the equation is an identity.tan x + cot x = sec x csc x
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Classify the random variable as either discrete or continuous.The voltage-power production of a nuclear power plant
A. Discrete B. Continuous
Find the point at which the line given by the parametric equations below intersects the plane.
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Solve the problem.A person is watching a car from the top of a building. The car is traveling on a straight road away from the building. When first noticed, the angle of depression to the car is 45° 56'. When the car stops, the angle of depression is 22° 34'. The building is 270 feet tall. How far did the car travel from when it was first noticed until it stopped? Round to the nearest foot.
A. 415 ft B. 367 ft C. 588 ft D. 388 ft