Find the volume of the parallelepiped with adjacent edges PQ, PR, and PS.
P(2,3,4), Q(4,5,4), R(4,3,5), S(4,3,4)
Answer: 4
Mathematics
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Choose the equation that matches the graph.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Mathematics
Simplify.(-42 ÷ 6) - (8 ÷ 8)
A. -8 B. -7 C. 6 D. 7
Mathematics
Solve the problem.John (whose line of sight is 6 ft above horizontal) is trying to estimate the height of a tall oak tree. He first measures the angle of elevation from where he is standing as 35°. He walks 30 feet closer to the tree and finds that the angle of elevation has increased by 12°. Estimate the height of the tree rounded to the nearest whole number.
A. 90 ft B. 86 ft C. 61 ft D. 67 ft
Mathematics
Perform the operation indicated.
÷ 
A. 
B. 
C. 12
D. 
Mathematics