8.64 - 3.15 = $5.49 if this is what you are asking
The answer to what you have there is -55 using order of operations. 5 times -6 is -30. 5 times -5 is -25. add. You get -55.
The complement of 31° is the angle that when added to 31° forms a right angle (90° ).
The ratio here is
3/4 cup milk 6 cups milk
-------------------- Now equate this to -----------------
1 beaten egg x
Solving this equation, (3/4)x = 6, and x = 8 (eggs) (answer)
Check: Note that 3/4 / 1 = 6 / 8
