Calvin is going to a clothing store. He buys 3 pairs of jeans for $66.49 each, 2 shirts $28.99 each, and a belt for $15.40. He also had a coat that he needed to return for $89.85. What is the net change in the amount of money in Calvin's wallet?

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.