Solve for h.
h – 3.94 = 4.74
h =

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.)

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

What is the simplified form of square root of 400 to the 100th power ?