It would be C, D, and E. when there is no line marked under the less than or greater than sign, it’ll be open circle
Answer:
(1,-1)
Step-by-step explanation:
teh answer is B happy to help (:
9 to find the answer divide 2.1 by 18.9 in which you'll get 9 = x
Answer:

Step-by-step explanation:
First expand the brackets:

(collect like terms)
Hope this helps :)