Write the best example of an object with only potential energy A. a Boulder resting on top of a cliff
B. a boat moving trough the water
C. a ball being thrown across a field
D. water being poured out of a pitcher

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?