Tell whether the expression is a polynomial. If it is, give its degree.4x5 - 2
A. Polynomial; degree 4
B. Polynomial; degree 5
C. Polynomial; degree 2
D. Not a polynomial
Answer: B
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A carpenter wishes to construct an elliptical table top from a sheet of plywood, 5 ft by 10 ft. He will trace out the ellipse using the "thumbtack and string" method. What length of string should he use, and how far apart should the tacks be located if the ellipse is to be the largest possible that can be cut out of the plywood sheet?
?
?
A. the tacks should be located 
ft far apart, length of string 10 ft
B. the tacks should be located 
ft far apart, length of string 10 ft
C. the tacks should be located 
ft far apart, length of string 5 ft
D. the tacks should be located 
ft far apart, length of string 5 ft
E. none of these
Solve using any appropriate method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this.x + 4y = 0x - 4y = 64
A. (32, -8) B. (-8, 32) C. (4, -1) D. (32, 8)
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Find the angle in degrees that describes the compass bearing.SW
A. 247.5° B. 202.5° C. 225° D. 270°