Which of the following expressions are equivalent to -4/8 - 8/9 + 4/7 +9/8

Choose 2 answers:
a) -4/7-(8/9+4/7)+9/8
b) -(4/7-8/9+4/7)+9/8
c) -8/9+9/8
d) -(4/7+8/9)+4/7+9/8
e)0

**this is from
khan academy**

a

step-by-step explanation:

side side side

side angle angle

angle side angle

side angle side

step-by-step explanation:

because they could drop even lower..

the number of the people going.

step-by-step explanation:

the cost to buy one movie ticket is $7. if the total cost for the movie is a function of how many people go, then the input is : the number of the people going.