Figure shows a pyramid with horizontal base
right quadrilateral ABCD with
condition AB = 12 cm and
BC = 20 cm. E is a point
intersection between diagonals-
diagonals of AC and BD.
F is 24 cm upright
above E. Count
A 12 cm
(a) the angle between the line FB and the site ABCD,
(b) the angle between the FAB plane and the base
ABCD.​

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?