Answer the question.When is a parallelogram a rhombus?
What will be an ideal response?
A parallelogram is a rhombus if all of its sides are congruent.
Mathematics
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Evaluate the integral by changing the order of integration in an appropriate way.
A. 
ln 6 (1 - cos 9)
B. 
ln 6 (1 - sin 9)
C. 
ln 6 (1 - sin 9)
D. 
ln 6 (1 - cos 9)
Mathematics
Solve. The polynomial x2 + 13x + 42 represents the area of a rectangle. Factor the polynomial.
A. (x + 6)(x + 7) B. (x - 6)(x + 7) C. (x + 6)(x - 7) D. (x - 6)(x - 7)
Mathematics
Represent the angle algebraically.If an angle measure is x°, represent 2 times its supplement algebraically.
A. 2(180 + x) B. 2(90 - x) C. 2(180 - x) D. 2x
Mathematics
Solve for x using an equivalent exponential expression.log2 x = -3
A. 
B. 
C. -6
D. -1
Mathematics