Answer:
8, see below
Step-by-step explanation:
put 13 and 1/2 in equation, then solve
13-.75(12)+8(1/2)
.75×12=9
8×.5=4
13-9+4=8
Answer:9+10=21
x=w-z
add x to both sides w=z+x
subtract z from both sides w-z=x
20/29
Sin is Opposite/Hypotenuse. The opposite leg is 20, and the hypotenuse is 29.
