Which quadrilateral could be decomposed into two identical triangles using only one line?

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?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Interest begins accruing the date of the transaction except for auto loans mortgages credit card cash advances credit card purchases