Write the first four terms of the sequence whose nth term is given by the formula. an = (−1)n + 4n
a1 =
a2 =
a3 =
a4 =

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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%

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.