From point a the angle of elevation to the top of a tall building is 20 degrees. on walking 80 m towards the building the angle of elevation is now 23 degrees. how tall is the building?

i just want to know how to draw the picture that's all.

What is the value of f(x) = 2.2 for f(-2)?

(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)

The winner of a golf tournament made five putts for birdies. the lengths of these putts are in the table shown. what is the total distance of the putts in the yards, feet, and inches?