What expressions can be used to find bac? check all that apply

Options A and D.

Step-by-step explanation:

It is given in the question

Side AC = 6.9 cm

side BC = 9.8 cm

side AB = 12 cm

Let ∠BAC = x

We can find this angle x by applying sine and cosine rule in the given right angle triangle ABC

sinx =

       =

Now we apply cosine rule

cosx =

        =

x =

Therefore, options A and D are the correct options.

The statements that best gives the reasons that Ben’s rent payment is an essential (fixed) expense are :

a. It cannot be eliminated in a later budget, in order to save money. Rents are to be paid each month so it cannot be shifted for later times.

b. Living expenses have a higher priority than any other type of expense. Yes, this is also true as transportation and food can be adjusted to some extent but living cannot be hindered.

c. The spender controls the amount of the rent by choice of apartment. This is also true as the bigger apartment you rent, the high rent you have to pay.