Some friends decide to go to the aquarium together. each person pays $7.50 to get in. they spend a total of $40 for the shark exhibit .the total cost was $70.solve 7.5x 40=70 to find how many people went to the aquarium

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Can someone me out here number 4 plz

Look at the hyperbola graphed below. the hyperbola gets very close to the red lines on the graph, but it never touches them. which term describes each of the red lines? o o o o a. asymptote b. directrix c. focus d. axis