A portfolio's value increases by 16% during a financial boom and by 9% during normal times. It decreases by 13% during a recession. What is the expected return on this portfolio if each scenario is equally likely?

Five dinosaurs go for a walk and come across some lovely chicken wings. their names are rexy, bronto, steggy, paly, and terry. there are exactly 5 dozen wings(equal enough for each dino to have a dozen right? ); however, terry is on a diet and he only eats 6 wings. if paly eats 2 more than terry, steggy eats 4 more than paly, and bronto and rexy eat the same amount because they are really hungry from not eating all day, how many chicken wings did each dino eat?

Answer this question only if you know the 30 points and

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827