Two-fifths of the students in 6th grade are in the band, Of these, one- fourth play the trumpet. What fraction of the 6th grade plays trumpet in
the band? *

Answer this question! 30 points and brainliest!

Which shows the correct substitution of the values a, b and c from the equation 1=-2x+3x^2+1

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.