8) Two lines intersect as shown. (2x + 20)
60°
What is the value of x?
A 20
B 40
C 50
D60

  A.  20

Step-by-step explanation:

Vertical angles are congruent, so ...

  2x +20 = 60

  x +10 = 30 . . . . . divide by 2

  x = 20 . . . . . . . . .subtract 10

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 : )

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.