on May 20th the Miller family received 19 pieces of mail consisting of letters bills adds and magazines. if they received five more magazines than bills, three more bills than ads, and the same number of letters as ads, how many letters did they receive?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte