Please help

Name the shaded region​

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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.

Place the following steps in order to complete the square and solve the quadratic equation,