Identify the equation as linear or nonlinear.4x + 2y = -4
A. linear
B. nonlinear
Answer: A
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Solve the problem.At a lumber company, shelves are sold in 4 types of wood, 2 different widths and 5 different lengths. How many different types of shelves could be ordered?
A. 11 B. 30 C. 32 D. 40
is tangent to 
at point B. If the length of radius of 
is r, AC = 1, and AB = 3, write an equation that involves r.
What will be an ideal response?
Use the Gauss-Jordan method to solve the system of equations. 6x - y - 4z = 35 -5x - 2z = -46 2y + z = 5
A. (-8, 1, 16) B. (8, 1, 3) C. (8, 3, 1) D. No solution
Solve the problem.A surveyor is measuring the distance across a small lake. He has set up his transit on one side of the lake 120 feet from a piling that is directly across from a pier on the other side of the lake. From his transit, the angle between the piling and the pier is 70°. What is the distance between the piling and the pier to the nearest foot?
A. 113 ft B. 330 ft C. 44 ft D. 41 ft