A triangle has a perimeter of 40 and area of 60. Using A = rP, find the lengthof radius r for the inscribed circle for this triangle.

What will be an ideal response?

Answer: 3

Mathematics

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Simplify. + 

A.
B.
C.
D.

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Mathematics

Provide an appropriate response.If f(x) = 2x + 8, find f-1(x).

A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 

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Mathematics

Rationalize the denominator. Assume all variables represent positive real numbers.

A.
B.
C. 53
D. 4 

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Mathematics

Use transformations to graph the function and state the domain and range.y = 

A. D = (-?, ?), R = (-?, 7]

B. D = (-?, ?), R = [0, ?)

C. D = (-?, ?), R = (-?, - 7]

D. D = (-?, ?), R = (-?, 0)

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Mathematics