Which of the following equations of a line is NOT written in standard form? A. 3x + 2y = 8
B. -9x – 4y = 17
C. x + y = 10
D. y = 6x

Can someone check my answer? you : )

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.

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3