Explanation

Find a common denominator (LCM of 2, 3, and 4 is 12):

1/2 = 6/12

2/3 = 8/12

3/4 = 9/12

Add them: 6/12 + 8/12 + 9/12 = 23/12.

Explanation

"On top of" indicates that the children are playing physically on the surface or upper part of the roof.

It specifies the exact location where the action is taking place.

Explanation

'Every' is an indefinite adjective because it refers to each member of a group individually, without specifying a particular one.

It modifies the noun 'creature' in a non-specific way.

Similar examples: each, some, many, few.

Explanation

A probability of 1 means that the event is certain to occur.

Probability ranges from 0 (impossible) to 1 (certain).

Explanation

The circumference of the circle is:

2 × π × r = 2 × π × 15 = 30π m

Distance traveled in 3.5 revolutions:

= 3.5 × 30π

= 105π m

Explanation

The ALU is the main processing unit of a CPU, responsible for performing all arithmetic and logical operations.

It works alongside other components like registers and cache to execute instructions efficiently.

Explanation

When a teacher observes and tolerates an individual's perspective, they are showing empathy, which involves understanding and sharing the feelings of others.

This disposition helps teachers build positive relationships and create an inclusive learning environment.

Explanation

The denotative meaning is the literal, dictionary definition — in this case, a type of flower with thorns.

"A romantic gift" and "A sign of beauty" are connotative meanings, based on emotion or symbolism.

Explanation

"Square" describes the shape of the box, making it an adjective of shape.

Adjectives of quantity describe how much, while size refers to dimensions.

Explanation

Pandemic means عالمی وباء

Rife means عالمی وباء