0.9(3÷2.25− 1/8 (1 2/3 1/9 ))− 4/7 ÷0.8. i would like to know what this equals if you could that would be great.

781/1680

Step-by-step explanation:

Don't you have a calculator?

I assume that by (1 2/3 1/9), you mean (1+2/3)*(1/9)

Assuming that you put all necessary parentheses:

781/1680, approx. 0.4648809523809524

Place the compass on a point on the original line.

Step-by-step explanation:

If the compass is placed on the original line point, then is will be the exact same spot and angle for the other line. They should met and form a right angle .