Explanation

Given sets A = {1, 2, 5, 3} and B = {3, 4}, and assuming the universal set U = {1, 2, 3, 4, 5}:

Step 1: Find B'

B' = U - B

= {1, 2, 3, 4, 5} - {3, 4}

= {1, 2, 5}

Step 2: Find A ∩ B'

A ∩ B' = {1, 2, 5, 3} ∩ {1, 2, 5}

= {1, 2, 5}

Explanation

In the sentence "They showed much patience":

"Much" is an adjective modifying the noun "patience" (quantifying it).

"They": Pronoun (subject).

"Showed": Verb.

"Patience": Noun.

Explanation

An aqueous solution is one where the solute is dissolved in water.

"Aqua" means water, making it the key solvent in such solutions.

Explanation

A species is defined as a group of organisms that can mate and produce fertile offspring.

Organisms in different genera generally cannot produce fertile offspring.

Explanation

The single equals sign = is used for comparison in SQL conditions.

The query correctly filters rows where the Job column matches the string 'Clerk'.

Explanation

Let's calculate:

F7 = 12

H12 = 30

Formula: F7 * H12 = 12 * 30 = 360

Explanation

The sentence is in simple present tense.

Passive voice of "She draws a picture" becomes: "A picture is drawn by her."

Explanation

The original sentence is in past tense ("was"), so the correct question form starts with "Was."

The subject and verb are correctly inverted to form the question.

Explanation

Critical thinking begins when students are encouraged to ask questions and challenge ideas.

Questioning helps them analyze information deeply rather than accepting it at face value.

Explanation

A tangent is a line that touches a circle at exactly one point.

It does not cross the circle and is perpendicular to the radius at the point of contact.