What's the relationship between 0.5 and 0.05

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.)

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Find the ratios of the corresponding sides