Question: Consider the system of equations below: x + y - z = 6
2x – 3y + 2z = -19
– x+4y - z = 17
Which number is not the value of any variable in the solution of
the system?

a.)-1
b.)2
c.)3
d.)4

Need ! give step by step solutions on how to solve number one [tex]\frac{9-2\sqrt{3} }{12+\sqrt{3} }[/tex] number two [tex]x+4=\sqrt{13x-20}[/tex] number three (domain and range) [tex]f(x)=2\sqrt[3]{x} +1[/tex]

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)