Translate the percent statement to a proportion.39% of 200 is 78.

A.  = 
B.  = 
C.  = 
D.  = 


Answer: A

Mathematics

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Factor completely. If the polynomial cannot be factored, say it is prime.(7 - x)3 - x3

A. (7 - 2x)(x2 - 7x + 49) B. (7 - 2x)(3x2 - 7x + 49) C. (7 - x)(x2 - 7x + 49) D. (7 + 2x)(x2 - 7x + 49)

Mathematics

Solve using the substitution method. Use a graphing calculator to check your answer.   x + 9y = -41-7x + 9y = -73

A. (5, -6) B. (-4, -6) C. (4, -5) D. No solution

Mathematics

Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.Use the Principle of Mathematical Induction to show that the statement "5 is a factor of 7n - 2n" is true for all natural numbers. (Hint: 

What will be an ideal response?

Mathematics

Test the equation for symmetry with respect to the given axis, line, or pole.r2 = sin(2?); the pole

A.

May or may not be symmetric with respect to the pole 

B. Symmetric with respect to the pole

Mathematics