Boris has a bag that only contains red sweets and green sweets. Boris takes at random 2 sweets from the bag. The probability that Boris takes exactly 1 red sweet from the bag is Originally there were 3 red sweets in the bag. Work out how many green sweets there were originally in the bag. Show your working clearly.

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

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%

Write the equation of the circle centered at (10,-2) with radius 2.