Answer:
Composite.
Step-by-step explanation:
because Prime numbers can only be recived when mulipltiy the number and itself, like 3.
55 can be mulipled by 1 AND 11 to get 55
50 students participated in the survey, if you need help with 2, 3, & 4, just comment and ask
Answer:
a.b=[-1]
Step-by-step explanation:
This is a dot product of a and b
a.b =[6,-2,3].[2,5, -1] = [12-10-3] =[-1]
