Im tired and failing so please help

What are the critical values that correspond to a 95% confidence level and a sample size of 93? a. 65.647, 118.136 b. 59.196, 128.299 c. 57.143, 106.629 d. 69.196, 113.145

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Triangles abd and ace are similar right triangles. witch ratio best explains why the slope of ab is the same as the slope of ac?