Solve the system.x + y = 4x - y = -1

A.
B. ?
C.
D.


Answer: D

Mathematics

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Describe and contrast the following for a circle: radius, diameter, chord, secant line and tangent line. Include sketches.

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The table shows Jose's expenses for one month. Use the table to answer the question.What were Jose's total expenses for the month?Monthly ExpensesRent$569Food$194Car repairs, gas$83.82Utilities$68.78Phone (long distance)$65.46Phone (local)$23.13Drumming lessons$86Entertainment$57.31

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Mathematics