There are one hundred forty-two students in a high school band. These students represent two ninth
of the total students in the high school. How many
students attend the school?

Answer this question only if you know the answer! 30 points and

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

If value of cos330° is √3/2 then find tan165°.