HELP PLZ AND THANK U

Ihave a 69 and an 82. the 69 is worth 40% of my grade and the 82 is worth 15%. can someone tell me my current average grade.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

What is the measure of the smallest angle in the diagram? 15 29 32 45