Answer:
y<-x+12,
y>-x+10.
Step-by-step explanation:
This is an example to show you what it means to be closed:
If you multiply two real numbers, you will get another real number. Since this process is always true, it is said that the real numbers are "closed under the operation of multiplication.
I truly hope this helps!!
(11,1) because if you plug in x and y this answer is the only one that gives you 18 in the end
75*32 is 2400 the answer is 2400