Help me this is so confusing

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?

Select the lengths in centimeters that would form a right triangle

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box