Can someone help me please

7.83

Step-by-step explanation:

use SOH CAH TOA: S is sin, C is cos, T is Tan, O is opposite side, H is hypotenuse, and A is adjacent

in this case, we would use sin(x) =

sin(50) =

x =

plug into calculator in degree mode to get 7.83

if you use your calculator in radian mode you will get -22.87

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72