Name the law illustrated.(1 + 6) + 7 = (6 + 1) + 7
A. commutative law for multiplication
B. associative property of addition
C. commutative law for addition
D. distributive law
Answer: C
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = 
A. Domain: all points in the xy-plane excluding x = 0; range: real numbers z ? 0; level curves: parabolas 
B. Domain: all points in the xy-plane excluding x = 0; range: all real numbers; level curves: parabolas 
C. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: parabolas 
D. Domain: all points in the xy-plane; range: all real numbers; level curves: parabolas 
Multiply in the indicated base.637 × 67
A. 5357 B. 5447 C. 5347 D. 6347
Provide an appropriate response.The population of a small town is growing at an effective rate of 2.1%. If the current population is 53,000, what will the population be in 8 years?
Fill in the blank(s) with the appropriate word(s).
Solve the equation
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B. 
C. 
D. 
E. 