Two people are looking up at a skyscraper. The people are 5 miles apart, and the skyscraper is between them. The angle of elevation to the top of
the skyscraper is 10° for one person and 4° for the other. What is the
approximate height of the skyscraper?*

What is the value of r of the geometric series?

What point is the projection of q on a) r b) s c) t

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total