Someone solve this please

Adding and subtracting matricesfind the value of each variable. x = and y = would

Describe the domain and range of y=2(3)^x-2+5

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?