Ratio of sandwiches white bread to brown bread is 10: 3. 2/3 white are vegetarian, half brown are vegetarian. what fraction of the sandwiches are vegetarian?

What is the sum of these mixed numbers 4 2/3+ 3 1/9

Given are five observations for two variables, x and y. xi 1 2 3 4 5 yi 3 7 5 11 14 which of the following is a scatter diagrams accurately represents the data? what does the scatter diagram developed in part (a) indicate about the relationship between the two variables? try to approximate the relationship betwen x and y by drawing a straight line through the data. which of the following is a scatter diagrams accurately represents the data? develop the estimated regression equation by computing the values of b 0 and b 1 using equations (14.6) and (14.7) (to 1 decimal). = + x use the estimated regression equation to predict the value of y when x = 4 (to 1 decimal). =

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.