How many arrangements of 1, 2, 3, . . n are there in which only the odd integers must be deranged (even integers may be in their own positions)? [to make this easier, you can assume that n is even.] your answer should be a big sum in terms of n. check your answer for n = 2 and n = 4.

Jordan has $5.37, which he is using to buy ingredients to make salsa. he is buying one red pepper for $1.29 and three pounds of tomatoes. if jordan has exactly the right amount of money he needs, what is the price per pound of the tomatoes? choose the correct equation to represent this real-world problem. solve the equation and verify the reasonableness of your answer. a pound of tomatoes costs .