Solve the following system of equations using ELIMINATION:
2x + y = 11
4x - y = 19

What is the solution to the equation 9^(x+1) =27

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Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?