altogether there are 7 marbles in the bag.
put the marbles in fractions, so blue would be 3/7
and red would be 4/7. but becuase you need 2 of the same, you do
3/7 x 3/7 = 9/49
4/7 x 4/7 = 16/49
then add them togther
25/49
if you need it as a percentage, it is
51.020408163265%
(2+9)*f
= 11*f
The final answer is 11f~
Answer:
1.)9=11 No solution.
2.)All real numbers , interval notition (-∞,∞)
3.) k=-2
Step-by-step explanation: