Help please.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?