This interactive explanation shows you why polling results should be taken with a grain of salt. In a lot of cases decimals will prove to be meaningless and changes of less than 2 percentage points shouldn't be subject to much analysis.
Scaffolded worksheets where students practice finding unknown sides and angles using SOHCAHTOA. Students are guided to label sides, choose a ratio, write their equation, solve the equation and give the answer. There are three separate sheets: one where the unknown side is the numerator, one where the unknown side is the denominator and one where the unknown is the angle.