One-sixth of a number is 66

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?

What is the relationship between all triangles that can be drawn given the same three angles

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10