7. 7/10=49 8. 11/12=33
9. 7/8=49
10. 1/5=14min
11. 2/3=8metres
12. 7/10=14days
13. 5/12=60
14. 7/8=56
15. 9/10=81
help me please thank you​

Answer question above and explain each step : )

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.