Solve the equation after making an appropriate substitution.
18a -2 + 79a - 1 -9=0

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

For which pair of functions is (gof)(a)=|a|-2?

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?