Find the function. f(-7) if f(x) = 8x+15
f(-7) =
-4?
7
0 ​

Proportions in triangles solve for x

Can you me with this question? i'll reward *30 points i just need with this one question so that i could solve the others. * edit: i originally set up the question to reward 30 points, but for some reason i can only reward 15. if you don't get 30, then i'm sorry. i'm still kind of new to this site

Write an expression that is equivalent to ( 3+14)+27.