Solve the given equation by finding the unknown value.87 ? ? = 0
A. 87
B. 0
C. not possible
D. 1
Answer: B
Mathematics
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Sketch the graph of the line by locating the second point with the rise-and-run method.Through (0, 2), m = 
A. 
B. 
C. 
D. 
Mathematics
Find the length of the latus rectum of the parabola.Focus: (2, 0); vertex (8, 0).
A. 
B. 6
C. 24
D. 12
Mathematics
Solve the problem.Find the area of the rectangle.
A. 
sq. ft
B. 
sq. ft
C. 
sq. ft
D. 
sq. ft
Mathematics
Solve the problem.If a rock falls from a height of 80 meters above the ground, the height H (in meters) after x seconds can be approximated using the formula H = 80 - 4.9x2. Evaluate the expression 80 - 4.9x2 for x = 2 to find the height of the rock after 2 seconds.
A. -16.04 m B. 60.4 m C. 300.4 m D. 70.2 m
Mathematics