(-8) is smaller than 8...because for a value to be bigger...it has to be ahead of the other value(that its being compared to)...going in the positive direction of the numberline
To build a fence is perimeter so 45.5 x 2= 91 155 - 91= 64 Since that is still two sides you divide 64 by 2 and get 32. Then area is l x w so 32 x 45.5= 1456