Answer:
○ 
Explanation:
A rectangle has four right angles, including two pairs of congruent edges, only containing two dimensions – <em>height</em> and <em>length</em>. Therefore, going three-dimensional, a <em>rectangular prism</em> has three dimensions – <em>width</em>, <em>height</em>, <em>length</em>. With this information, you should know what the answer is.
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Answer:
Amplitude.
Step-by-step explanation:
Loudness of a sound wave is proportional to its amplitude of vibration.
Option D:
is the right answer
Step-by-step explanation:
Given polynomials are:

We have to find the sum of polynomials
So,

Combining like terms

Hence,
Option D:
is the right answer
Keywords: Polynomials, sum
Learn more about polynomials at:
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Answer:
length is 78
Step-by-step explanation:
Perimeter of rectangle is P = 2 (l +w)
278 = 2(l + 61)
l = 78