Twelve decreased by 4 times a number is equal to twice the number. What is the number

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

Afootball is throw by a quarterback to a receiver

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers