Ratio extra 1.
The number of red, blue and yellow counters in a bag are in the ratio 5:3:2.
a) If there are 10 more red than blue, how many yellow are there?
b) If there are 100 counters altogether, how many of each colour are there?

11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

In the geometric progression –3, 12, −48… what term is 3,072?