A. Directions: Solve the system of equations by substitution and elimnination. Check your solutions. 1. (x + 2y = 7
(x - y = 4 (by elimination)

3. y - x = 3x + 2
2x + 2y = 14 - y (bySubstitution)

please pa help
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If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Which statement best explains why ben uses the width hi to create the arc at j from point k