I have the answer in this picture. But im not sure if this might be really what your asking for.
The answer would be c. I can give an example if you want
Answer:
The answer is 41
Step-by-step explanation:
400 = 900 + 625 - 1500 cos x
400 - 1525 = -1500 cos x
-1125 = -1500 cos
cos x = -1125/-1500
x = cos⁻¹ 0.75
x = 41.409622109
x ≈ 41°
Answer:
$55
Step-by-step explanation:
50+(50*0.1)
50+5
55