Which type of balloon is seen in this image?

Solve the problem.A building 200 feet tall casts a 80 foot long shadow. If a person looks down from the top of the building, what is the measure of the angle between the end of the shadow and the vertical side of the building (to the nearest degree)? (Assume the person’s eyes are level with the top of the building.)

Find the exact value of the expression.cot[sin-1(-1)]

Find the inverse function f-1 of the function f.f(x) = – sin(x + 6) – 4

Find the inverse function f-1 of the function f.f(x) = 5 cos x + 9

Which of the following stars will end its life in a supernova?

Which of the following are major advantages of putting telescopes in space, instead of leaving them on the ground?

The nebular theory predicts that a cloud that gives birth to planets should have the shape of a spinning disk. Which observable property of our solar system supports this prediction?

Which of the following is the most volcanically active object in the solar system?

Which of the following sequences correctly describes the major stages of life for a low-mass star?