Evaluate the expression using the given values.
- 
x = -4, y = 7
A. 3
B. -11
C. -3
D. 11
Answer: C
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = 
A. 
B. 
C. 
D. 
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Solve the equation.9x - (4x - 1) = 2
A. 
B. - 
C. - 
D. 
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Solve the problem.Find the value for x in the cube. Use exact values. 
3 ft
A. 3
ft
B. 9 ft
C. 3 ft
D. 3
ft
Mathematics
Solve.What percent of 130 is 45.5?
A. 350% B. 0.35% C. 3.5% D. 35%
Mathematics