Ineed ! the linear regression model for the data set below has an r^2 value of about 0.67. what does this indicate? a. about 67% of the differences in the populations can be explained by the regression line b. about 67% of the predictions made using linear model are correctc. about 45% of the differences in the populations can be explained by the regression line

Factor the monomial completely 42a3b3

What is x and y intercepts for y=x+7

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?