in question 6 it says "Which equation could be used to find the value of  ?" how do u calculated ( check it in the pdf)

The answer is a)

Step-by-step explanation:

If you follow the rule of SOHCAHTOA you will see that only a) is correct because it is cosine = adjacent / hypotenuse (check the attachment for more help)

Hope this was helpful

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 : )

step-by-step explanation:

given perimeter: 28cm

length: 9cm

atp,

2(l+w)=p of the reactangle

2(9+x)=28

18+2x=28

2x=28-18

x=10/2

x=5

therefore width is 5 cm