Answer:
16
Step-by-step explanation:
First, we solve for x.

We now evaluate 2-x, plugging in -14 for x.

Answer:
I don't know if it's correct
but I tried
Step-by-step explanation:
let the angle be x
20+4x+x=180
20+5x=180
5x=160
x=32
Answer:
75
Step-by-step explanation:
divide the interest by the amounts of years