Jeff saved $500 from his summer job so he would have spending money during the school year. he withdraws $12 from his account each week, so a linear function models his plan. melissa made a similar plan. the table shows the results of her first five transactions. compare the functions.

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 is he correct? explain why or why not?