Answer:
9.9
use the special triangle formula or use cosine to find BC
Answer:
see explanation
Step-by-step explanation:
let y = f(x) and rearrange making x the subject, that is
y = 5x + 4 ( subtract 4 from both sides )
y - 4 = 5x ( divide both sides by 5 )
= x
Change y back into terms of x
(x) = 
The answer is 176 milles in 2 hours
Answer:
B) 1/2
Step-by-step explanation: