To determine whether students at Bernal want to attend an art festival at the school, Manuel surveys all the students in the library at lunch. Biased or unbiased. Explain for brainlist

Katlyn made 4 dresses with 7 yards of fabric. how many yards did she use on 1 dress?

Asegment in the complex plane has a midpoint at 7 – 2i. if the segment has an endpoint at 11 – 3i, what is the other endpoint?

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. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250