The correlation coefficient r between an employee's age, x, and yearly salary, y, is 0.923

What percent of the variation in yearly salaries can be explained by differences in the

employees' ages?

31.7%

40.1%

85.2%

92.3%

Elijah and his sister went to the movies. they had $34 altogether and spent $9.50 per ticket. elijah and his sister bought the same snacks. write and solve an inequality fotlr the amount that each person spent on snacks. interpret the solition

Find the slope of the line y =8/9x + 1.

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil