HELPPP PLEAS

Which expression is equal to p + (m + n)?

1)

pm + n

2)

(p + m) + n

3)

(p + m) ⋅ n

4)

p + mn

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !

alright well the answers to your question is

2xy/9 hope this have a nice day : )

step-by-step explanation:

the correct answers i think are b. and d.

give me brainliest if it is correct!

5.762159

step-by-step explanation:

it would be 9 because when it is the nine is over five so that would mean it rounds up to 90 or 9