The expressions 4x-x+5 and 8-3x-3 are equivalent using substation the lass suggested four different methods which descrived the correct method

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

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)