Simplify the expression. Assume that all variables are positive when they appear.
A. 3y8
B. 9y5
C. 3y10
D. 3y5
Answer: D
Mathematics
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Convert the mass as indicated.52.2 hectograms to kilograms
A. 5.22 kg B. 52.2 kg C. 0.522 kg D. 5220 kg
Mathematics
Sketch the surface z = f(x,y).f(x, y) = - 
A. 
B. 
C. 
D. 
Mathematics
Find the slope of the line.6x - 9y = 54
A. m = 
B. m = 6
C. m = 
D. m = - 
Mathematics
Change to the equivalent decimal. Round to the nearest hundredth.
A. 1.13 B. 0.88 C. 0.89 D. 0.889
Mathematics