If 40 people shake hands with each person in the class, how many handshakes

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?

Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr