Answer:
B. 0.69
Step-by-step explanation:
Law of Cosines: cos A = (b² + c² - a²) / 2bc
cosθ = (7² + 11² - 8²) / 2*7*11 = 106/154 = 0.688 ≈ 0.69
Answer:
yes cause they are the same #s
Step-by-step explanation:
From top to bottom
31
13
-41
-68
-104
Answer:
y=-2x+4 (c)
Step-by-step explanation:
y=mx+b
m=slope
b= y-intercept
