A+b=45
a>b
a=b+7
→
b+7+b=45
2b+7=45
2b=38
b=19
a=19+7=26
Answer:
For a <em>regular</em> polygon
A, C (otherwise it would be irregular)
D and F
Amount paid for the first book is $17.
Amount paid for the second book is 0.75 x 8 = $6
Total amount paid = $17 + $6 = $23
Total full cost of the two books = $17 + $8 = $25
Amount of discount = $25 - $23 = $2
% reduction =

Therefore, the <span>percent of the total cost of the two books reduced during the sale</span> is 8%
Volume of a cube = a³ = 1728
a = ³√1728
a = 12 mm
In short, Your Answer would be 12 mm
Hope this helps!
The total surface area would be 370.58 square units.