find the measure of all the angles in the given picture and justify how you found the angle measures?(give the theorem or postulate you used to prove that measurement)

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

For the given quadratic equation convert into vertex form, find the vertex and find the value for x=6 y=-2x^2+2x+2

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.