A tuxedo rental service charges a $150 flat fee for a suit plus $50 per additional day. Write and solve an equation to determine the cost of renting the tuxedo for 4 days.

On a piece of paper graph f(x)=5•(0.4)^x

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

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?