A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is p = √4 + 3x
dollars. Determine the producers' surplus if the market price is set at $8/unit. (Round your answer to two decimal places.)

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

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