To write algebraic expressions<span> to model quantities is you base the algebraic expressions or mathematical values declared in words by the manner of how the sentence illustrates the said problem. For example, one minus a number is the difference of zero shall be </span>
<span>1. 1 – n = 0. </span>
Pretty sure they are the same as in equivalent
That's true. The definition of an isosceles triangle is that it has at least 2 sides equal in length. Therefore, isosceles can be equilateral, but equilateral cannot be isosceles.
Answer:

Step-by-step explanation:
The formula of a lateral area of a cone:

r - radius
l - slant height
The formula of a surface area of a cone:

We have r= 8in and l = 21in. Substitute:


The answer is 9 seats in each row
for 12 rows *9 seats in each row = 108 seats in all or passengers maximum