Answer:
and 
Step-by-step explanation:
we have

we know that
Compound inequality can be divided into two inequalities
so

rewrite

and

therefore
An equivalent form of the compound inequality is
and 
Answer:
Step-by-step explanation:
x^2 + 1 -2x + 5
x^2 - 2x + 6
Suppose the height of the prism is 1 in, then the volume will be:
volume=length×width×height
thus
volume of the prism will be:
V=3×1/2×1
V=1.5 in³
Volume of the cube will be:
v=1×1×1=1 in³
Thus the number of cubes that will be in the prism will be:
(1.5 in³)/(1 in³)
=1.5 cubes~2 cubes
He sold 12 coins, 16+28+32+4=80. 15% of 80 is 12
3363 it is. That is the answer. The problem would be "2850 + 18%" right. Because that's what I did.<span />