Hey there!
Adjacent angles are two angles that are connecting, or adjoining. They have a common vertex and a common side, but they DO NOT overlap.
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7). C
8). 60
n = 5(10) + 10
n = 50 + 10
n = 60
9). 17
f(x) = -2x + 7 plug the -5 in for x
f(x) = -2(-5) + 7
= 10 + 7
= 17
10).
All of the telephones * all of the telephones minus one (because one is in use)
85 * 84 = 7140 connections
<span>In mathematics, a polynomial is an expression consisting of variables and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables. ~ wikipedia
if it had negative exponents, division, square roots, etc, it would not be a polynomial,
the equation shown however is a polynomial.</span>