11. What is the mass of 30,000 molecules? Express your answer in scientific notation. Mass of one molecule of oxygen = 5.3 x 10-23 gram

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%

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points