Answer:
a) 
b)
Step-by-step explanation:
We are given in the question:

F(x,y,z) = (y, -x, z)
a) 
We differentiate with respect to t.

b) F(c(t))
This is a composite function.


Step-by-step explanation:
convert to fractions, then click sd on sure calculator and it converts to decimal for u which u just times 100 to get percentage.
Step-by-step explanation:
griminology is one of part of body