You observe that an extra solar planet blocks 4% of its star light. knowing that the star's radius is 8x105 km, what is the radius of the planet?

The country in the world with the largest population is_?

Which sequence of transformations on preimage ∆abc will not produce the image ∆a'b'c'? a. reflection across the line y = x b. rotation 180° clockwise about the origin followed by a reflection across the line y = -x c. reflection across the x-axis followed by a reflection across the y-axis d. reflection across the line y = -x followed by a rotation 180° counterclockwise about the origin e. reflection across the y-axis followed by a rotation 90° clockwise about the origin

Why is the study of demography important to geographers