Answer:
x=10, y=-3
Step-by-step explanation:
solve by addition/elimination
<span>3n + 4 = 7
</span><span>3n = 7 - 4
3n = 3
n = 1</span>
Answer:
Option C. 
Step-by-step explanation:
we know that
In the right triangle ABC
The tangent of angle B is equal to the opposite side angle B divided by the adjacent side angle B

substitute the values

Answer: B
Step-by-step explanation:




Answer:
so one side right?
Step-by-step explanation: