What is the image of (6,-4) after a reflection over the y-axis?

How can we find the measure of an exterior angle if we know the measurement of an interior angle

Write a story that matches with the expression 42x-5 pls hurry

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?