15. product a is an 8 oz. bottle of cough medication that sells for $1.36. product b is a 16 oz. bottle of cough medication that costs $3.20. which product has the lower unit price and how do you determine the answer

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota