There are two basic types of live roof systems. Which type of live roof system is primarily used in residential construction?
A) Extensive vegetated roofs B) Intensive vegetated roofs
A
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A group of engineers has landed on the moon, and they wish to determine the mass of some rocks. They have a spring scale calibrated to read pounds mass at a location where the acceleration of gravity is 
One of the moon rocks gives a reading of 18.76 on this scale. What is its mass? What is its weight on the moon? Take g(moon) 
What will be an ideal response?
If you swing wide to the left before turning right another driver may try to pass you on the right
a. true b. false
In a right triangle, a and b represent legs and c represents the hypotenuse. Determine the measure of side c if a = 28.2 cm and b = 12.8 cm. Express the answer to the nearest tenth centimeter.
Fill in the blank(s) with the appropriate word(s).
When mounting an engine to an engine stand, what grade bolt should be used?
A) 3 or 5 B) 5 or 8 C) 4 or 7 D) 1 or 4