Which of the following is the product of the rational expressions shown below? x/x-5•2x/x+4

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8