(x+1)2-
=it is meant to be (x+1)2
=2(x) + 2(1)
= 2x +2
I think
Omar spent 600 dollars for earning 1800 reward points.
<em><u>Explanation</u></em>
Omar earns 300 reward points for every 100 dollars he spends.
Suppose, he spent
dollar for 1800 reward points.
Now <u>according to the ratio of "amount of money spent" and "reward points"</u> , the equation will be......

Thus, Omar spent 600 dollars for earning 1800 reward points.
Answer: x
≤
−
4
or
x
≥
8
Step-by-step explanation:
16/4 which could be simplified to be the whole number 4