In the following algebraic expression, determine the coefficients. -x-12+y 3 The coefficients are .

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?