Answer:
d
Step-by-step explanation:
Using the Cosine rule to find ∠ A
cosA =
=
=
= , then
∠ A = ( ) ≈ 84.9° ( to 1 dec. place )
Answer:
(x + 7)(x + 8)
Step-by-step explanation:
Answer:
GCF=2
Step-by-step explanation:
28-1,2,4,5,14
42-1,2,3,6,7
56-1,2,7,8,28
The answer is D
alternate interior angles <span />
Answer:
B. slope
Step-by-step explanation: