X2-1 I think that's the answer because there's 1 less, 1 take away the x and squared!! hard to explain but that's how I thought about it
D. 10^6 = 1000000 x 2 = 2000000 x 800.5 = 1601000000 = 1.601 x 10^9
Volume is equal mass by density
86. D. -10
87. H. -6, -3, 0, 2
88. Quadrant 1
Figure how much percent she reads daily. Then add on till 7 until ur done... For example 7= 35% 14(days)= 70
