Asurveyor measures the angle of elevation to a point on a mountain, that is 6 miles away, to be 15 degrees. the vertical change in the elevation from the point where the surveyor is standing to the point on the mountain is miles. (round your answer to the nearest hundredth of a mile)

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?