Subtract. 0 - 7
A. +7
B. -7
C. 7
D. -(-7)
Answer: B
Mathematics
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250 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 75 and standard deviation ? = 10.The third quartile of the scores on the exam is approximately
A. 94 points. B. 90 points. C. 82 points. D. 77 points. E. none of these
Mathematics
Compute.-(-(-21))
A. 
B. 0
C. 21
D. -21
Mathematics
Find the zeros of the quadratic function by completing the square. List the x-intercepts of the graph of the function.g(x) = 25x2 + 30x + 8
A. x = 
, x = 
B. x = - 
, x = - 
C. x = - 
, x = - 
D. x = - 
, x = 
Mathematics
Answer the question.Choose the expression that is equivalent to the following: 3 - 3
A. (-2)(3) B. 2(3) C. 3 + (-3) D. (3)(3)
Mathematics