The number of tigers living in Joe Exotic's Zoo is given by the equation y=135⋅(23)t where t is the number of years since Carole Baskin started trying to shut down his zoo. Part A: How many tigers will still be living in his zoo after three years? Make sure to show your work or explain what you did to get your answer.

Part B: In the equation, what does the 23 tell us about the situation?

Part C: In the equation, what does the 135 tell us about the situation?

50 points! antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Rai compares two cable plans from different companies. which equation gives the correct value of mm, the number of months for which plans a and b cost the same?

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.