Filling them in it would be ; 4 - (-2) - 8
And a negative against a negative equals a plus so ; 6 - 8 = your answer
Answer:

Step-by-step explanation:
1st you want to find a common denominator. which is 8.
2nd change
to 
3rd you add
and
together an you get 
Answer:
= 2*3 * 5 * 7
Step-by-step explanation:
210 = 21* 10
= 3*7 * 5*2
= 2*3 * 5 * 7
the answer to your equation is 25, because 17 if 68 is 25
Answer:
mutipication
Step-by-step explanation: