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.

answer: jasmine will bake 4/3 or 1 1/3 cookies in an hour

step-by-step explanation:

if u add 1/3 every 15 minutes after an hour u will have 4/3 or 1 1/3

20

step-by-step explanation: