Solve the problem.If 5 apples in a barrel of 25 apples are rotten, what is the expected number of rotten apples in a sample of 2 apples?
A. .33
B. .63
C. .4
D. 1
Answer: C
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Mathematics
Find an equation of the line having the specified slope and containing the indicated point. Write your answer in slope-intercept form.m = 9; (0, 4)
A. f(x) = 9x + 4 B. f(x) = 9x + 11 C. f(x) = 9x + 9 D. f(x) = -9x + 2
Mathematics
Find the equation in standard form of the parabola described.The focus has coordinates (2, 0), and the equation of the directrix is x = -2.
A. y2 = 8x B. y2 = 2x C. x2 = 8y D. y2 = -8x
Mathematics
Use a calculator to find the approximate value. Express your answer in degrees rounded to two decimal places.arctan 14.9
A. 86.16° B. -86.16° C. 64.62° D. 43.08°
Mathematics