PLEASE HELP I AM BEING TIMED I WILL MARK BRAINLIEST Which of the following structures surround cells?
Group of answer choices

a) cell wall and nucleus

b) cell membrane and cell wall

C) cytoplasm and cytoskeleton

D) cell membrane and cytoplasm

Asequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. if f(n) represents the nth term of the sequence, which of the following recursive functions best defines this sequence? (1 point) f(1) = 2 and f(n) = f(n − 1) + 4; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2n; n > 1 f(1) = 2 and f(n) = f(n − 1) + 4n; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2; n > 1 i will award !

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?