Aclothing store charges $30 for 12 pairs of socks. a student says that the unit price is $0.40 per pair. what is the error? what is the correct unit price?

  best answer for the question.1.     divide  7/24  by  35/48  and reduce the quotient to the lowest fraction. 

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?