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a smart phone costs $149.99 before tax. the tax on the smart phone is 7%.
what is the total cost of the smart phone?

round your answer to the nearest cent.

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

What is the distance between the points (2, 5) and (5,9)?

You borrow $25,000 to buy a boat. the simple interest rate is 4%. you pay the loan off after 10 years. what is the total amount you paid for the loan?