The answer to this would be x = 20
B I’m pretty sure sorry if wrong
Answer:
d
Step-by-step explanation:
Using the Cosine rule to find ∠ A
cosA = 
= 
= 
=
, then
∠ A =
(
) ≈ 84.9° ( to 1 dec. place )
9514 1404 393
Answer:
Step-by-step explanation:
To multiply two polynomials, each term of the first polynomial is <u>multiplied</u> to each term in the second polynomial. Combine any <u>like terms</u> to simplify.