how does the location of the object affect the characteristics and location of the image formed in a concave and convex mirror​

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling

What role do grace and faith play in christian salvation?

Brandy has been given a great deal of opportunity to advance her career. she recently got a huge increase in authority and salary, and she was hired to do what she has always claimed was her dream job. however, brandy is not enthusiastic about coming to work, and when she is there, she spends most of her time complaining about how maurice got a bigger office and nicer furniture than she did. brandy’s behavior would seem to support theory.