Which event prompted the United States to enter World War II? A. The German annexation of Austria
B. The Soviet occupation of Germany
C. The landing of Allied soldiers on Normandy Beach
D. The Japanese attack on Pearl Harbor

D.

Explanation:

The U.S wanted to avoid conflict with foreign superpowers until Japan attacked Pearl Harbor. After that the U.S decided to join WWII and retaliate against Japan at Hiroshima.

D. The Japanese attack on Pearl Harbor

Explanation:

Because it is the "Correct Answer"

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69