Find the distance between the two given points.(-1, -4) and (-4, -8)
A. 5
B. 10
C. 25
D. 6
Answer: A
Mathematics
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Solve the problem.Find the equation of the line normal to the curve 
where x = 1.
A. -4e2x + y + 3e2 = 0 B. x + 4e2y - 4e4 - 1 = 0 C. x + 3e2y - 3e4 - 1 = 0 D. -x + 4e2y - 4e4 - 1 = 0
Mathematics
Solve the problem.How many different three-digit numbers can be written using digits from the set {1, 2, 3, 4, 5} without any repeating digits?
A. 60 B. 20 C. 120 D. 10
Mathematics
Solve the problem. Use 3.14 for ? and round to the nearest tenth.A rubber ice-hockey puck has a diameter of 3.0 inches. What is the area of its surface?
A. 28.3 in.2 B. 9.4 in.2 C. 7.1 in.2 D. 3.5 in.2
Mathematics
Solve the formula for the specified variable.S = 2?rh + 2?r2 for h
A. h = 2?(S - r)
B. h = 
C. h = 
- 1
D. h = S - r
Mathematics