Answer:
BC = 1.7
Step-by-step explanation:
Since, cosine of any angle (except right angle) represents the ratio of base length and hypotenuse.
Cosθ = 
From the given right triangle ΔACB,


Cos(70°) 
BC = 5Cos(70°)
= 1.71
≈ 1.7
Where? I’m sorry but I can’t help if there isn’t any photo or equation/word-problem.
An equation because of the equal sign
Answer: 5.32
Step-by-step explanation:
8/25 as a decimal is 0.32. Add the fraction and whole number and you get 5.32