What is the discount of 40 to 25 in percentage

Find the missing factor in exponential form 48^2=3^2 • ?

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation