10ft by 12ft = 120
12ft by 12 ft = 144
144-120 = 24 sq ft
You need 24 square feet.
category A
price per handbag is 1615/15 = 101
category B
price per handbag is 2635/27=97.59
hope u understand...
G(x) = 3x
g(x) = 3*( x )
g(f(x)) = 3*( f(x) ) ... every x has been replaced with f(x)
g(f(x)) = 3*( 3x ) ... replace the f(x) on the right side with 3x
g(f(x)) = (3*3)x
g(f(x)) = 9x
They are similar! since they have two equal angles!