Find the SSNs and average ratings of the five most popular speakers of all time, where we measure popularity by the average rating given by attendees. Remember to write first a relational algebra query, and then a SQL query to answer this question.

The AI enhancement felt interactive. 

Find the first and last names of all people who gave a talk in Zurich in the year 1932. Remember to write first a relational algebra query, and then a SQL query to answer this question.

Please feel free to share details about any resources you found particularly engaging and/or helpful.

The resources increased my confidence in my persuasive writing skills.

Given the following vectors: and , where and .  Find the dot product of the two vectors.    Dot Product =

Fill in the blank for the following statements regarding the Unit Circle.  a) The Unit Circle has a radius of b) The Unit Circle is divided into quadrants.  c) The Unit Circle represents angles in units of and

Find for the right triangle below: /

If and , find the remaining trigonometric function values of . Be sure to rationalize!      Note: You do not need to upload during the test! You can upload your scratch work afterwards (within 15 minutes) in the corresponding “Test 1 Scratch Work” assignment located in the course modules. 

Prove that:   Note: You do not need to upload during the test! You can upload your scratch work afterwards (within 15 minutes) in the corresponding “Test 1 Scratch Work” assignment located in the course modules.