Identify whether the number is prime or composite. if the number is composite, then identify the factors.

number: 65

a) prime
b)composite; 1 , 65
c)composite; 1 , 3 , 5 , 13 , 21 , 65
d) composite; 1 , 5 , 13 , 65

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Student price tickets to a movie are $1 and non student tickets are $2 . 350 tickets are sold and the total amount made is $450. there were 250 student tickets sold . true or false .