Which of the following expressions represents the phrase "twice the sum of a number and 5"?
2x + 5
2(5) + x
2(x + 5)
(x + 5) 2

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )

square root

step-by-step explanation: