18 is greater than or equal to negative 2X.

I assume you mean 18>=-2x?

1) 18>=-2x

2) -9>=x

3) -9<=x (keep note you have to do this when dividing or multiplying by a negative)

So the answer is -9 is less than or equal to x

Hope this helped!

well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

step-by-step explanation:

the correct answers are 1, 2, 4, and 5! i just got it right!