What is the solution set of the equation 2x + 3 = 7?

A. {1}

In a group of five friends: Alice, Bob, Charlie, David, and Eva, the following conditions apply: 1) Alice cannot sit next to Bob. 2) Charlie must sit next to David. 3) Eva can sit anywhere. Which of the following arrangements is valid?

C. EVA, CHARLIE, DAVID, ALICE, BOB

A team of four members: X, Y, Z, and W must be selected based on the following criteria: 1) X cannot be selected if Y is selected. 2) Z must be selected if W is not selected. Which of the following selections is valid?

C. X, Z

If the sequence is A, C, E, G, what is the next letter?

B. H

In a puzzle, there are three boxes labeled A, B, and C. The following conditions apply: 1) Box A cannot contain apples if Box B contains oranges. 2) Box C must contain bananas if Box A contains apples. Which of the following combinations is possible?

D. A: ORANGES, B: GRAPES, C: BANANAS