Answer:
The answer is 8.34
U have to use the SOH CAH TOA method
In this case I used tan
so,
tan 50= BC/7
solve for BC= 7* tan 50= 8.34
If you're looking for "x"
x/3 = 3
x = 3*3
x= 9
Were doing the same test its a.
Answer:
C) (x-3)(x+3)
Note:
Just a tip there is an app called Desmos where you can put in equations like this and it will graph them for you.
4:3
4 to 3
4/3
I wrote all the three ways
