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Solve the given system of equations. 2y= -x+9 , 3x-6= -15

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?

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles