Hi there! :)
Answer:


Cross multiply:

Distribute:

Isolate the "v" variable:




Answer:
39°
Step-by-step explanation:
if its a triangle the third angle measures 39°
180-(51+90)=180-141=39
Answer:what is this
Step-by-step explanation:
Answer is E. u could plug in the values for x and see if u get the same y in the equation