6/11 is the simplest form of the fraction.
First you divide the top and bottom by two 84/2 and 144/2
Next you get 42/77
Finally you see that both are factorable by 7 so you divde 42 and 77 by 7 to get 7/11
Answer:

Step-by-step explanation:
let blank be O


F=-50 as multiplying it by -6.2 would give you a positive 310
Answer:
20 years
Step-by-step explanation:
20 is the lowest common multiple of 5,4,2
Answer:
Step-by-step explanation:
(0, -9) and (3,3)
(3+9)/(3-0) = 12/3 = 4
y + 9 = 4(x - 0)
y + 9 = 4x - 0
y = 4x - 9