Select all that have a value of 0. -cos pi/2 -cos 0 -sin 0 -sin 3pi/2 -tan pi
2 answers:
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Every single one of those polynomials factors. When factored, your expression looks like this: 
. When you cancel the like factors out, what you're left with is this: 
. That means that b = 9, c = 1, and d = -2
The value of price (p) at a point of equilibrium is 13.4. Then the correct option is C.
<h3>What is the linear system?</h3>A Linear system is a system in which the degree of the variable in the equation is one. It may contain one, two, or more than two variables.
The equation of the demand (D) and supply (S) is given below.
Where p is price.
At equilibrium, we have
D = S
Then
More about the linear system link is given below.