Explanation

A phrase is a group of words that does not have both a subject and a verb.

"Leaving behind the dog" is a phrase because it lacks a subject performing a complete action.

Explanation

The sentence compares emotions to a roller coaster, implying ups and downs without using "like" or "as."

This is a direct comparison, which is characteristic of a metaphor.

Explanation

Couple is not a part of a microscope; it's unrelated terminology in this context.

Stage, Course Adjustment, and Mirror are essential components of a microscope used for holding slides, focusing, and reflecting light, respectively.

Explanation

Given A = [1  2] and B = [3; 2], let's calculate the product AB:

AB = [1_3 + 2_2]

= [3 + 4]

= [7]

Explanation

The Carol Model emphasizes time as a crucial factor in student achievement.

It suggests that providing sufficient time for learning is essential for students to reach their potential.

Explanation

Explanation

The square root of 16.81 is 4.1, as 4.1 × 4.1 equals 16.81.

It is the correct value when you calculate the square root of 16.81.

Explanation

Be, Do, and Have function as helping (auxiliary) verbs when used with main verbs in a sentence.

Examples: She is going home, They do play well, I have eaten lunch.

Words like am, is, are, was, were, being, been, will be are examples of Helping Verbs.

Explanation

The first five prime numbers are 2, 3, 5, 7, and 11.

These numbers are divisible only by 1 and themselves, and they form the correct sequence of the first 5 prime numbers.

Explanation

Let's denote the angle as x. The supplement of x is 180 - x.

Given "three is subtracted from twice the supplement" equals 297:

2(180 - x) - 3 = 297

Expanding the equation:

360 - 2x - 3 = 297

357 - 2x = 297

Solving for x:

-2x = 297 - 357

-2x = -60

x = 30