Which of the following values of r will result in a true statement when substituted into the given equation? 2(4r + 4) = -16

A. r = -3
B. r = -2
C. r = 2
D. r = 3

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

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%

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours