Solve the problem.Determine whether the ordered triple 
is a solution of the system of equations.9x + 6y + 9z = 56x + 3y - 3z = 14 x - y + 2z = -3
A. No
B. Yes
Answer: A
Mathematics
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Perform the indicated operation.
A. x - 48 B. x + 9 C. x3 - 48 D. x2 + 9
Mathematics
Classify the statement as true or false. If false, demonstrate why.
= 2!
A. False; 72 ? 2 B. True
Mathematics
The truth table shown below is for which kind of circuit?
Mathematics
Solve the problem.A person standing close to the edge on top of a 128-foot building throws a baseball vertically upward. The quadratic function 
models the ball's height above the ground, 
in feet, t seconds after it was thrown. How many seconds does it take until the ball finally hits the ground? Round to the nearest tenth of a second if necessary.
A. 5.5 sec B. 1.5 sec C. 2 sec D. 192 sec
Mathematics