HELP I NEED HELP ASAP

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

Find the domain and range of the following function f(x) = 51x - 21+ 4

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract