Atriangle has measurements of 18, 34, and 39 units. is it a right triangle?

yes
no
not enough information to tell

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

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.)

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?