Simplify the expression.-3(7r + 7) + 9(3r + 6)
A. 4r + 4
B. -42r
C. 6r + 33
D. 6r + 7
Answer: C
Mathematics
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Roberto received the same score on each of five exams, and his mean score is 88. Find his median score and his modal score. ?
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Multiply. Write the answer in simplest form.
? 
A. 
B. 
C. 
D. 
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Find the standard form of the equation of a circle that satisfies the given conditions.Center (24, 12) and touches the x-axis
A. (x - 24)2 + (y - 12)2 = 576 B. (x - 24)2 + (y - 12)2 = 144 C. (x - 12)2 + (y - 24)2 = 576 D. (x - 12)2 + (y - 24)2 = 12
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Follow the proper order of operations to evaluate the following.152 ? 123 - (15 - 4)
A. 4,276,800 B. 388,789 C. 889 D. 388,781
Mathematics