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

Mathematics

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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 

Mathematics

Multiply in the indicated base.637 × 67 

A. 5357 B. 5447 C. 5347 D. 6347

Mathematics

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).

Mathematics

Solve the equation ? ?

A.
B.
C.
D.
E.

Mathematics