Collect like terms.5x + 4 + 3x - 5
A. 2x - 1
B. (5x + 3x) + (4 - 5)
C. 8x - 1
D. 7
Answer: C
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Which of the following uses theoretical probability? ?
A. ?Finding the probability of an outcome when rolling three dice. B. ?Finding the probability of an outcome when tossing a coin and then spinning a spinner. C. ?Theoretical Probability is commonly used in gambling. D. ?Experimental Probability can be used to determine the likelihood of a meteor hitting the Earth. E. ?As the number of trial increases, the probability of an event in an experiment approaches the theoretical probability.
The argument has a true conclusion. Identify the argument as valid or invalid.All dogs have fur.All cats have fur. A cat is not a dog.
A. Valid B. Invalid
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. Use the graph to answer the question.At what time was the temperature 79°?
A. 1 p.m. B. 6 p.m. C. 2 p.m. D. 12 p.m.
Solve the equation by factoring.3(x - 1) = -12x + 3(x2 - 7)
A. {3, -1, -6} B. {1, -6} C. {3, 1, 6} D. {-1, 6}