Light bulbs usually cost $2. they are on sale for 0.50 of the regular price. what is the sale price? is this a better price than if the sale price were 0.35 of the regular price?

How do you solve a question like this?

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

Which function has the domain x> -11?