If y varies directly as x, find a linear function which relates them.y = 12 when x = 14
A. f(x) = x - 2
B. f(x) = 
x
C. f(x) = 2x
D. f(x) = 
x
Answer: B
Mathematics
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Find the probability.A lottery game has balls numbered 1 through 21. A randomly selected ball has an even number or a 10.
A. 
B. 
C. 
D. 10
Mathematics
If the given sequence is a geometric sequence, find the common ratio.
, 
, 
, 
A. not a geometric sequence
B. 
C. 3
D. 3
Mathematics
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. 
Mathematics
An arithmetic sequence is given. Find the common difference and write out the first four terms.{7n + 6}
A. d = 6; 7, 13, 20, 27 B. d = 7; 7, 13, 20, 27 C. d = 6; 13, 20, 27, 34 D. d = 7; 13, 20, 27, 34
Mathematics