2 and 4 are both correct statements.
Answer:


Step-by-step explanation:
we are given


we have to find f/g
we can write as

now, we can plug values
and we get

so,

we know that denominator can not be zero
so,

now, we can solve for x


Divide both sides by 5
and we get

Answer:
15/4 +6y
Step-by-step explanation:
See Image below:)
Answer:
11/24
Step-by-step explanation:
7/8 + 11/12 + 3/4 + x = 3 km
7*3/8*3 = 21 / 24
11*2 / 12 * 2 = 22 /24
3*6 / 4*6 = 18/24
21/24 + 22/24 + 18/24 + x = 3
61 / 24 + x = 3
x = 72/24 - 61/24
x = 11 / 24
Tim has to run 11/24 of the race