What are some the uses for gold

Lia doesn't like her personality psychology class because the instructor uses unannounced pop exams to test the students as a result, lila never knows when she will be tested instructor is testing her on a o foxed-ratio schedule o fxed-interval variable-ratio variable-interval

8y=-6x+24 whats the slope and y-intercept

The physical feature that makes up part of the border between canada and the united states is the