Prove 1/2(cota/2 - tana/2)=cota

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?