1 down, means minus 1 from whole equation
moving 1 to left means add 1 to every x
reflecting across x axis means multiply every x by -1
a.

b.

c.
It makes your life easier.One way is by just adding a 0 after the number.
Ex 2*10 is 20 see what I mean.

We know that y=7x, so we just need tu put it into the 1st equation

So we found x. Now we can find y

Answer:
x=1, y=7; or (1;7)
Answer:
8 x 10/11 equals 69. If you mean something else, let me know.
Step-by-step explanation:
If you need any help, ask Brainly. Have a nice day!
The answer is 248!grains I think this one I think is easy