Amy saved $18.17 on clothing with a 40% off coupon, how much did she spend?

Use set buikder notation to represent the following set: {, -2, -1, 0}

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.

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?