Write the number in two other forms

Asystem of equation is shown below 6x - 2y equals 3 . and 5x + 3y equals 4. would you solve by substitution or elimination? and why

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac