Out of 30 kids that came to a Halloween party 4 wore Harry Potter costumes, 3 were dressed as Ron Weasley, and 5 were dressed as Hermione Granger. What percent of all kids at the party were dressed as Hogwarts students?

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Which expression is a factor of 12x2 + 29x – 8? x – 8 2x – 1 3x + 8 4x + 1

Asinusoidal function whose frequency is 1/6pi