Simplify. 63 ÷ 12 - 9
A. 213
B. 72
C. 9
D. 8
Answer: C
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Provide an appropriate response.Determine whether the slope is positive, negative, zero or undefined.
A. Positive B. Undefined C. Zero D. Negative
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400
Factor the four-term polynomial by grouping.xy + 11x - 7y - 77
A. (x - 11)(y + 7) B. (y + 11)(x - 7) C. (y - 11)(x + 7) D. (x + 11)(y - 7)
Determine whether the two pairs of numbers are proportional.2.5, 3.8 and 4.5, 6.3
A. No B. Yes