The shadow of a post is 6degree longer when the elevation of the sun is 30degree than when it is 60degree calculate the height of the post

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

Evaluate the expression. (9 + 5)(3 + 2)0