Give the probability distribution and sketch the histogram.A class of 44 students took a 10-point quiz. The frequency of scores is given in the table.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Multiply.(x + 7)(x - 7)
A. x2 - 14 B. x2 - 14x - 49 C. x2 - 49 D. x2 + 14x - 49
Mathematics
Simplify the expression and write the answer without negative exponents.(-7x2y)(-6x3y5)
A. 42x6y5 B. 42x5y6 C. -42x5y5 D. -13x5y5
Mathematics
Solve the equation.(x - 5)(x + 2) = 0
A. 5, -2, 0 B. -5, 2 C. 5, -2 D. 5, 2
Mathematics
Write the logarithmic equation in exponential form.ln 
= -6
A. -6e = 
B. 
e = -6
C. 
-6 = e
D. e-6 = 
Mathematics