What inputs are defined for the expression?
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Factor. Check by multiplying.2 + 12a + 8b
A. 2(1 + 6a + 4b) B. 2(1 + 12a + 8b) C. 12(1 + a + b) D. 2(0 + 6a + 4b)
Find the solution to the system of equations by the substitution method.
A. (-5, 2) B. (5, 2) C. (-5, -2) D. (5, -2)
The velocity v of a rocket at burnout (depletion of fuel supply) is given by  figure 1.png)
where c is the exhaust velocity of the rocket engine, Wt is the takeoff weight (fuel, structure, and payload), and Wb is the burnout weight (structure and payload).
A rocket has a weight ratio Wt/Wb = 17.7 and an exhaust velocity c = 3.42 kilometers per second. What is its velocity at burnout? Compute the answer to two decimal places. A) 9.10 km/s B) 9.48 km/s C) 9.83 km/s D) 10.24 km/s
What is 7m² – 3m + 5 minus 9m² – 5m – 6?
