Find the least common multiple (LCM) of the pair of numbers.8 and 18
A. 2
B. 144
C. 72
D. 288
Answer: C
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Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve 
- 5 ? x ? 5, about the x-axis (dimensions are in feet). If a cubic foot holds 7.481 gallons and the helicopter gets 3 miles to the gallon, how many additional miles will the helicopter be able to fly once the tank is installed (to the nearest mile)?
A. 376 B. 125 C. 94 D. 188
Solve the problem using a graphing calculator.Determine whether a baseball hit 104 feet per second at an angle of 30° relative to level ground will clear a 10-foot wall 400 feet away.
A. No B. Yes
Decide whether the given number is a solution of the equation.2x = -6; -3
A. solution B. not a solution
Solve the system of equations by the elimination method. x - 2y = -53x - 1y = -15
A. (-5, 0) B. no solution C. (-4, -5) D. (5, -1)