The law of cosines is
c= square root of a^2 + b^2 - 2ab cos c
the law of sines is
a = b(sin a /sin b)
Answer:
5x+3y+24
Step-by-step explanation:
Find slope first
(2-1)/(8-4) = 1/4
Format: y = mx + b
y = 1/4x + b
Plug in one point
1 = 1/4(4) + b, b = 0
Solution y = 1/4x
Answer:
I think it is 14
Step-by-step explanation:
f(-7)
-7(a)=7a
-7a=7a
+7
a= 14