HELP! FINALSS! The table below represents items on sale at a local department store.

Item Regular Price (r) Discount (d) Sale Price (s)
Detergent $7.00 $1.75 $5.25
Bath towel $9.00 $2.25 $6.75
Shower curtain $11.00 $2.75 $8.25
Toilet paper $13.00 $3.25 $9.75

Which of the following equations represents how to calculate the discount for any of these items?

A. d = r/4 x 3

B. d = r x 0.25

C. d = r/0.25

D. d = r - 1.75

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?