Shuang has a set of square ceramic plates she'd like to glaze. she wants to create evenly spaced concentric squares on the plates with gray and black glaze, the squares' edges are each 0.5 inches apart, and the area of the innermost square is 1 square inch. what fraction of one plate will shaung cover with glaze.

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.