Find the standard deviation marks obtained 0-10l0-20l0-30l0-40l0-50l0-60] and no of students l8l20l40l80l92l100l please fast solve this

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

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12