Astronomy The moon and the sun have approximately the same apparent size for viewers on Earth. The distances from Earth to the moon and to the sun are about 4 X 105 km and 1.5 x 108 km, respectively. The diameter of the moon is about 3500 km. What is the approximate diameter of the sun?

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

Sioux co. replaced the roof on its existing building, therefore increasing the building's life by 10 years. the cost of the roof is considered a(n):

Is of - 4x + 2? a. 3 b. 4 c. 6 d. 5