Solve the equation. show all work
18^(r-10)=93

What number should be added to both sides of the equation to complete this square? x^2-10x=7

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

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)