Tell whether each number is rational or irrational. then write it in fraction form, a/b, if it is a rational number.

Which expression is equivalent to 2x^2+7x+4?

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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%