có 10 người trong đó có 5 nam và 5 nữ xếp ngẫu nhiên thành một hàng ngang. hỏi có bao nhiêu cách xếp để nữ không đứng cạnh nhau

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

In what organelle does photosynthesis take place?

Drag each number to the correct location on the statements. not all numbers will be used. consider the sequence below. -34, -21, -8, 5, complete the recursively defined function to describe this sequence