PLEASE CAN SOMEONE ANSWER ? Eric and Paul both made airplanes in afterschool. They decided to have a contest to see which plane could fly the longest distance. Eric’s plane flew 6 meters. Paul’s plane flew 68 centimeters. Which plane flew the longest distance and how much farther did it fly?

alfred von schlieffen, german army chief of staff, was given instructions to devise a strategy that would be able to counter a joint attack. in december, 1905, he began circulating what later became known as the schlieffen plan. schlieffen argued that if war took place it was vital that france was speedily defeated.

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer