Use the echelon method to solve the system.3x - 
= 10
- 
= 
A. 
B. 
C. 
D. 
Answer: B
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Find the equation of the parabola satisfying the given conditions. The vertex is at the origin.Focus (0, -3)
A. y2 = -3x
B. y = - 
x2
C. y2 = -12x
D. x2 = -12y
Provide an appropriate response.The first-quadrant region bounded by y = 
, the x-axis, and the y-axis is revolved about the y-axis to form a solid. Explain how you could use elementary geometry formulas to verify the volume of the solid.
What will be an ideal response?
Provide an appropriate response.(56 + 89) + 103 = 24856 + (89 + 103) = 248This is an example of the 
.
A. commutative property of addition B. associative property of addition C. associative property of multiplication D. commutative property of multiplication
Simplify the expression.
A. sin x - 1 B. cos2 x C. sin x D. sin x + 1