Answer:

Step-by-step explanation:
Factor using the perfect square rule.
:)
Answer:
13 ft
Step-by-step explanation:
we need to find the square root of 169
√169 = 13
Answer:
1 1/20 is the correct way
Step-by-step explanation:
I don't know how to get it but i just looked it up .
Cos θ = adj/hyp = 5/sqrt(5^2 + (-12)^2) = 5/sqrt(25 + 144) = 5/sqrt(169) = 5/13