Answer:
29.11
Step-by-step explanation:
This is clearly cos. So make an equation of cos equals 9 / x. Then use cross product to get x times cos equals 9. Finally divide by cos and use the calcuator to get x equals 29.11.
I'd say A, since there, all the operations are the opposite from the original function.
Hope it helped,
BioTeacher101
Answer:
multiply 5*8 and you will get the answer... 40cm