PLS HELP I WILL GIVE BRAINLIEST

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?

With finding limits of multi variable !

Let x = a + bi and y = c + di and z = f + gi. which statements are true?