Identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster. To determine her moodmood, MirandaMiranda divides up her day into three parts: morning, afternoon, and evening. She then measures her moodmood at 44 randomly selected times during each part of the day. What type of sampling is used?

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Brad earns $12.75/hr and works 40 hours a week. what is his gross annual income?

Each year a store decreased the price of a certain model of tv by $35 . if the price in 2001 was $1950 , what was the price in 2009