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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Express the vector as a product of its length and direction.-7i + 7j + 7k
A. 7( -i + j + k)
B. 7
C. 7
D. 
Mathematics
Factor.5c2 + 10cd + 5d2 - 125f2
A. 5(c + d + 5f)(c + d - 5f) B. ((c + d)2 + 5f)((c + d)2 - 5f) C. (c + d + 5f)(c + d - 5f) D. 5((c + d)2 + 5f)((c + d)2 - 5f)
Mathematics
Classify the function as a polynomial function, rational function, or root function, and then find the domain. Write the domain in interval notation.g(t) = 
A. root function; (5, ?) B. root function; (-?, ?) C. root function; [5, ?) D. root function; (-?, 5) ? (5, ?)
Mathematics
Write a mathematical expression for the word phrase.Seven increased by 23, times 
A. (7 + 23) ÷ 
B. (7 + 23)
C. 7 + 23
D. 7 
+ 23
Mathematics