Answer:
Step-by-step explanation:
Given:

To find 
Using trigonometric relations for sums and differences of squares of the ratios.
We know:

Plugging in
in the above relation.

Subtracting both sides by 0.75.


Taking square root both sides.

∴
(Answer)
Answer: 124
Step-by-step explanation:
Multiply 320 by 3/5 (.6) and you will get 192. Then you subtract 320 by 47 and get 316. You subtract 192 from 316 and get 124.
Answer: 1
Step-by-step explanation: SIMPLE just do y=mx+b
Answer:
Sorry can't see on school computer :(
Step-by-step explanation: