The oldest child in a family of four children is twice as old as the yougest. the two middle children are 13 and 15 years old. if the average age of the children is 14.5, how old is the youngest child?

Which two investment options would be best if you were planning to invest $10,000, with the expectation that you would be making a down payment for a house in 10 years? consider the kind of investment, rate of return, level of risk, and other factors. (4 points)

What are charasteristics of lisosphere

When zhang qin went to explore west, he brought back stories of