'Abundant' means plentiful or existing in large quantities. Therefore, the synonym is 'plentiful'.

'Frugal' means being economical or avoiding waste, making 'thrifty' the synonym.

'Vigilant' means keeping careful watch for possible danger or difficulties; hence, the synonym is 'alert'.

Calculating gives 4 × 5 - 5 = 20 - 5 = 15.

5! = 5 × 4 × 3 × 2 × 1 = 120.

According to the order of operations, we first calculate 3 × 2 = 6, then add 7, giving 7 + 6 = 13.

Subtracting 5 from both sides gives 3x = 15. Dividing by 3 gives x = 5.

A noun can function as a subject or object in a sentence, representing a person, place, thing, or idea.

A verb expresses an action or a state of being.

A noun is used to name a person, place, thing, or idea.

An adverb modifies a verb, an adjective, or another adverb, providing more detail about how, when, where, or to what extent.

An adjective provides more information about a noun.

An adverb can describe the manner of an action, answering questions like how, when, where, and to what extent.

An interrogative pronoun is used to ask questions.

An adjective is used to describe or modify a noun or pronoun.

An interjection is used to express strong emotion.

A noun is a part of speech that names a person, place, thing, or idea.

An adverb modifies a verb, an adjective, or another adverb.

A pronoun is a part of speech that replaces a noun to avoid repetition.

A pronoun takes the place of a noun.

'Benevolent' refers to being kind and well-meaning. Hence, the synonym is 'kind'.

'Hasty' means done with excessive speed; quick.

'Elated' means very happy or proud; therefore, the synonym is 'joyful'.

'Meticulous' means showing great attention to detail, making 'thorough' the correct synonym.

'Descend' means to go down, which is the opposite of 'ascend'.

'Contract' means to become smaller, which is the opposite of 'expand'.

'Rare' is the antonym of 'frequent', indicating something that does not happen often.

'Selfish' is the antonym of 'generous', indicating a lack of willingness to share.

'Failure' is the opposite of 'success', indicating a lack of achievement.