Answer:
Step-by-step explanation:
m<ABC=90 because of Angle inscribed in Semicircle Theorem
I'm terrible at math, so I'm sorry if I'm totally wrong, but I'm assuming you just take the average:
20+28=48m
48/2=24m
On average, it may take them 24m if they work together.
Answer:
The zero would be -2.714 (x-intercept)