A postulate is accepted without proof while a theorem is a statement that must be proved.
Answer the following statement true (T) or false (F)
True
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Perform the operation indicated.
? 
A. 
B. 
C. 
D. 
A cathedral ceiling (shown below) is 8 feet high at the west wall of a room. As you go from the west wall toward the east wall, the ceiling slants upward. Three feet from the west wall, the ceiling is 10.5 feet high.
?
A: What is the slope of the ceiling?B: The width of the room is 16 feet. Use your answer to part A to determine how high the ceiling is at the east wall.C: If you stand on a ladder, you can reach 13 feet high. Use your answer to part A to determine the farthest distance from the west wall at which you can stand on the ladder and reach the ceiling.
What will be an ideal response?
Find the absolute value.|-21|
A. 21 B. ± 21 C. -21 D. 0
Solve the equation.
x - 
x = 0.75
A. 1
B. 3
C. 
D. 2