Select all of the following that are quadratic functions. x = 3y2 – 6y + 5

y + 3 = –2 x 2+ 5

y = 2 x 2 – 8 x + 6

y= –7 x – 4

y – 3 x = 4 x 3 – x2 + 9

y = 5 x(x + 9) – 8

y – 2 x 2 = 3 x – 2 x 2 + 4

(40 points) i need some . an answer definition is appreciated as well.

Which of the following equations is equivalent to x/3-6/x=1

Darren earned $663.26 in net pay for working 38 hours. he paid $118.51 in federal and state income taxes, and $64.75 in fica taxes. what was darren's hourly wage? question options: $17.45 $19.16 $20.57 $22.28