1/2 *(a+b)-(a-b)²
a=18, b=14
1/2 *(18+14)-(18-14)²=1/2 *(18+14)-(18-14)²= 1/2*32-4²=16-16=0
answer D
answer B
2 factors have 2 terms: (x+4) and (y+4)
The common denominator is 3a²
Use proportion:-
4/8 = x / 40 where x is the page that Lauren is on.
8x = 4*40 = 160
x = 160/8 = 20
Page 20.
