Answer:
90
Step-by-step explanation:
For #2:
<span> 3x^2 + 4 – 2x^2 + 6</span>
<span><span>You need to combine your like terms:
</span>
3x^2 – 2x^2= x^2</span>
4 + 6 = 10
This will now give you:
<span>X^2 +10</span>
2220000
it just means that 22.2 needs to be multiplied by 10, 5 times, so just move the decimal five to the right.
Perpendiculars are any lines that intersect to make or forms a right angle.
It is the last one. A closed circle means less than or equal to, so that crosses out the top two. The third says five is greater and we know that is not true because the line is decreasing in value. It must be the fourth.
