What is the solution to this system of equations? x-z = -3
y + z = 9
x+ z = 7
A. x = -2, y = 14, z = -5
B. x= 2, y = 4, z = 5
C. x= 7, y = 9, z = 0
D. x= 0, y = 2, z = 7

Which is the graph of this function 3 square root of x plus one if

Write as a product: ac^2–ad+c^3–cd–bc^2+bd

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30