How many elements does each of these sets have where a and b are distinct elements? a. p({a, b,{a, b}}) b. p({∅,a,{a},{{a}}})?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

You are a male who just graduated from college with a bachelor's degree. you have a job paying $50,780.00/yr. a. how does your salary compare to the yearly median earnings for a male with a bachelor's degree? b. what is the difference between the yearly median earnings for a male with a bachelor's degree compared to a male who does not attend college after earning a high school diploma?

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?