Need help plz help me

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

Which of the following are arithmetic sequences? check all that apply. a. 0.3, 0.6, 0.9, 1.2, 1.5, b. 2, 3, 6, 11, 18, c. 150, 147, 144, 142, d. 2, 4, 9, 16, 25,

What is 60.9643790503 to 5 decimal