Does anyone know how to solve this

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units

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

Which letters from the table represent like terms? a and b b and c a and d b and d