Which expression is equivalent to 1/6 (6x) + 12 a:3x b:x+2 c:x+12 d:1/6 x +12

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.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.