# What is the radius of the circle whose equation is #(x+3)^2+(y-7)^2=289#?

Radius

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

- A regular tetrahedron has vertices #A, B, C# and #D# with co-ordinates #(0,0,0,), (0,1,1), (1,1,0), "and" (1,0,1)# respectively. Show the angle between any two faces of the tetrahedron is #arccos(1/3)#?
- What is the equation of a circle with a diameter of 10 cm and center at (-3, 6)?
- What is the magnitude of vector #AB# if #A= (4,2,-6)# and #B=(9,-1,3)#?
- How do I determine whether a line is in a given plane in three-dimensional space?
- What is the vector representation, parametric equations and rectangular equations for the line through the points P(3,2,1) and Q(-1,2,4)?

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