A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 1.5% margin of error at a 95% confidence level, what size of sample is needed?

Give your answer in whole people.

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.