Answer:
127
Step-by-step explanation:
(n-2)180
(5-2)180
=540 for total angle
540-90(3)-143
=127
The sum will be x+y because their ages are variables.
Answer:
Infinity
Step-by-step explanation:
Look it up, its how it works. 0 can go into 3.2 infinity times.
Answer:
No
Step-by-step explanation:
The sample size wasn't big enough. It could only be a trend in that grade.