Answer:
its c 2b(12 - 17a)
Step-by-step explanation:
X=-32.2
Just flip them with reverse check
Answer:
1062882
Step-by-step explanation:
Seven digits numbers, with repetition of digits, having 6 or 9 at the last one's place :
The first six digits can be filled with 9 options each (numbers 1 to 9) , & the last digit can be filled with 2 options (number 6 & 9)
So, total 7 digit numbers as per given condition = 9 x 9 x 9 x 9 x 9 x 9 x 9 x 2 = 1062882
it should be 12 because when youmultiply you multiply everything by the same thing