Answer:

Step-by-step explanation:
Substitute the second equation into the first one:

Substitute
into the second equation:


Answer:
(7 X 3) x 6 = 7 x (3 X 6)
Step-by-step explanation:
Assuming you are multiplying 5 times 2/11 then you just put 5/1 because anything divided by 1 is still one, and then multiply 5/1 by 2/11. Meaning, 5 times 2 is 10. And 1 times 11 is 11. So it would be 2/11. You multiply the numerators(top number) and denominators(bottom number). 2/11 is already simplified
Answer:
Remember the interior and exterior angle add up to 180°.
9 is 12% of 75 check it 9* 100 = 900 / 75 = 12