Answer:
That actually depends. We don't know if i is a negative number or not. If i is a negative number, -i would be larger. If i is a positive number, -i would be smaller. It all depends on whether i or -i is negative or positive.
Hope that helps!
Step-by-step explanation:
Number 2 hope it helps
7
a=2
b=2
c=1
2ab cos C=a²+b²-c²=2²+2²-1²=4+4-1=7
-7 feet above the ground