Solve the problem.Find the equation of a circle in standard form that is tangent to the line x = -3 at (-3, 5) and also tangent to the line x = 9.

A. (x + 3)2 + (y - 5)2 = 36
B. (x + 3)2 + (y + 5)2 = 36
C. (x - 3)2 + (y + 5)2 = 36
D. (x - 3)2 + (y - 5)2 = 36


Answer: D

Mathematics

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Solve the equation.4(12  - 3x) = 64

A. x = 3 B. x = 4 C. x = -3 D. x = 16

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A path that is 5 ft wide is built around a rectangular garden. The garden is 29 ft long and 14 ft wide. What is the area of the path?


a. 530 ft ft²
b. 646 ft²
c. 106 ft²
d. 401 ft²
e. 86 ft²

Mathematics

Solve the equation.3x - 10 = 17

A. {15} B. {28} C. {24} D. {9}

Mathematics

Describe the next row operation that should be performed to make the matrix closer to row echelon form.

A. Replace R3 with 6R2 + R3.
B. Replace R1 with - 2R2 + R1.
C. Replace R3 with -6R2 + R3.
D. Replace R3 with R3 .

Mathematics