The exterior angles of a quadrilateral have measures of 90^, 38^,3x and x. find the value of x

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 : )

answer4 to the second power is 16

and 4 to the third power is 64,