1) find the equivalent ratio 3: 10.
1 to 3
9 to 30
6: 13
12: 48
2) find an equivalent ratio 8: 6.
4 to 3
2: 1
16 to 9
10: 8

Rose drew a regression line for this paired data set. her line passed through (1, 2) and (3, 5) . what is the equation of rose's regression line?

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?