Find the exact value of the expression. do not use a calculator. if tan θ = 9, find the exact value of
a. 8
b. 10
c.
d. 9

This is geometry. could anyone ? i can't fail this class. my grade is quite low already.

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%

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10