How do I solve this equation, and what formula do I need to solve the equation?

9x^3 +6x^2=0

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

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 weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?