What is 100 over 9 minus 15 over 8?

Use the quadratic formula to solve 5x=6x^2-3,what are the values of x?

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.)

Which expression is equivalent to the expression shown?