Answer
what is a mapping between two sets that associates with each element in the domain a unique element in the range.

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?