Solve for x.

6(4x+2)= 3(8x+4)

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

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?

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.