For fibonacci numbers f(n) prove that f(2n+1) = [f(n)]^2 + [f(n+1)]^2.

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

For the equations below which statement is true ? -2x=14 6x=-42

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100