Write the English phrase as an algebraic expression. Let x represent the number. Simplify the expression, if possible.3 more than a number
A. 3x
B. x + 3
C. 
D. x - 3
Answer: B
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = 1 - x - 2y
A. 
B. 
C. 
D. 
Mathematics
Round off the approximate number as indicated.6022 3 significant digits
A. 6022 B. 6000 C. 6020 D. 6030
Mathematics
Write using radical notation. Then, simplify, if possible.(-27)2/3
A. -9 B. 9 C. Not a real number D. -3
Mathematics
Solve the problem.Find the magnitude of the difference between a windchill factor of 82 and a windchill factor of -45.
A. -37 B. 37 C. -127 D. 127
Mathematics