A company designing a new website for its customers is deciding between 3 different user interfaces (UI). The company wants to select the UI that will make their users the happiest. The research department creates a multigroup design test, which includes asking the study participants (that have been randomly assigned to groups) to perform the same specific task on the website. The researchers would like to capture the happiness level and contentment of the users after completing the task. What would be considered the dependent variable

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.