Write the phrase as an algebraic expression and simplify if possible. Let x represent the unknown number.Ten times the sum of a number and -15.
A. 10x - (-15)
B. 10+ x + (-15)
C. 10x + (-15)
D. 10(x + (-15))
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Perform the indicated operation and simplify.
÷ 
A. 
B. 
C. 
D. 
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Find the probability.Find the probability of correctly answering the first 2 questions on a multiple choice test if random guesses are made and each question has 3 possible answers.
A. 
B. 
C. 
D. 
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