Answer:
42.9
Step-by-step explanation:
There are many ways to answer this one, the most direct way would be to state that tan(65)=a/20
20tan(65)=a
Using the calculator (set in degree mode)
we find that a ~ 42.9
m=2y-3
option (c)
g.f= g(f(x))
= g(x2 -3)
= (x2 -3)+1
=x2 -2
