1. Danny wants to have his bathroom floor re-tiled. The dimensions of the floor are (3x + 1) by (2x + 1). (5 marks)
a) Write a quadratic expression that represents the area of the floor (expand using
FOIL).
b) If x= 1 m, what is the area that needs to be re-tiled?
c) The tiles cost $5/m². How much will it cost Danny to re-tile his floor?

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

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

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