You had $21 to spend on three pens .After buying them you had $12 how much did each pen cost

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units

Which of the following equations is equivalent to x/3-6/x=1