Triangle ABC is shown.
What threedimensional figure results from rotating the triangle 360° about segment AC ?
A.) cone B.) cylinder C.) pyramid D.) sphere
A sign company is building a sign with the dimensions shown.
What is the area, in square feet, of the sign?
In 2014, the population of Hong Kong was estimated to be approximately 7,112,888 people. The city covers an area
of approximately 426.25 square miles. What was the population density of Hong Kong in 2014, in people per square mile, rounded to the nearest person?
Which term is defined as two intersecting lines that form four right angles in a plane?
A.) skew lines B.) straight lines C.) parallel lines D.) perpendicular lines
A parallelogram and an incomplete proof are shown.
Place reasons in the table to complete the proof:
Events A and B are independent.
P(A and B) = 0.25 What are possible probabilities for events A and B ?
A total of 50 students play either soccer or lacrosse.

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November 2019
