Solve.
= -2
A. {-9, -5}
B. {9}
C. {9, 5}
D. ?
Answer: D
Mathematics
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Determine whether the scatter diagram indicates that a linear relation may exist between the two variables. If a linear relation does exist, indicate whether the slope is positive or negative.
A. Nonlinear B. Linear with negative slope C. Linear with positive slope
Mathematics
Solve.The number of pets (measured in thousands) living in Springfield homes can be approximated by the equation N(x) = 0.17x2 - 0.25x + 198.3, where x is the number of years after 1990. Find 
A. N(12) = 2235.3 B. N(12) = 21,480 C. N(12) = 222,530 D. N(12) = 219,780
Mathematics
Divide.0 ÷ 9
A. 1 B. 0 r 9 C. 0 D. 9
Mathematics
Find the reciprocal.2
A. The number 2 has no reciprocal.
B. 
C. -2
D. 
Mathematics