Find the measure of the numbered angle (m 3)

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 statement is true? 2x^2-9x+2=-1

Factor the polynomial expression x6 – x3 – 20