First solve the parentheses and you get 36+4 which is 40 and then subtract 15 so you get 25
Option A is not a polynomial since it contains square root.
Diameter of the larger gear х см
1/4х = 16 - 2.5
1/4x = 13.5
x = 13.5 * 4
x = 54 cm - diameter of the larger gear /
Well if you divide 42 by 3 you get 14 so you have 14 books have a nice day sir or ma'am
