Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Multiply and write answer in lowest terms.
× 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Determine whether the ordered triple (-2, 6, -1) is a solution of the system of equations.-x + 3y + 4z = 163x + 2y - z = 74x - y + 3z = -17
A. Yes B. No
Mathematics
Solve the problem.A ball is thrown vertically upward from the top of a building 144 feet tall with an initial velocity of 128 feet per second. The distance s (in feet) of the ball from the ground after t seconds is 
After how many seconds will the ball pass the top of the building on its way down?
A. 8 sec B. 7 sec C. 144 sec D. 10 sec
Mathematics
Use the properties of logarithms to evaluate the expression without the use of a calculator.2log26
A. 12 B. 6 C. 2 D. 1
Mathematics