Explanation

To find the value of x:

x³ = 27

x = ∛27

x = 3

Explanation

Liquids expand more noticeably than solids when heated because their particles move more freely.

Expansion due to heat is a common physical property of liquids.

Explanation

Disciplinary means نظم و ضبط

Explanation

The correct phrase is "on time", which means punctual or not late.

Were you on time for your appointment?

Explanation

Detached means جسمانی یا جذباتی طور پر کسی چیز سے الگ یا منقطع

Disconnected means جسمانی یا جذباتی طور پر کسی چیز سے الگ یا منقطع

Explanation

"Progress" is an uncountable noun, so it should not be used with "a."

The correct phrase is "Progress has been made..." without "a."

Explanation

"What’s that book about?" asks for the subject or topic of the book.

"About" is used to inquire into the content or theme of something.

Explanation

To find the average:

First, convert all fractions to a common denominator (4):

1/2 = 2/4

3/2 = 6/4

3/4 = 3/4

5/4 = 5/4

Now, add:

(2/4) + (6/4) + (3/4) + (5/4) = 16/4

= 4

Average = 4 / 4

= 1

Explanation

"Alike" is incorrect here; it should be "like" viruses — used for comparison.

"Alike" is used after a verb like are (e.g., "They are alike"), not after "were" followed by a noun.

Explanation

Vocabulary means الفاظ