Use the properties of determinants to find the value of the second determinant, given the value of the first.
= -64
= ?
A. -128
B. 128
C. -64
D. 64
Answer: B
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Match the equation with the surface it defines.
- 
- 
= 1 
A. Figure 2 B. Figure 3 C. Figure 4 D. Figure 1
Use least common multiple or greatest common divisor to solve the problem.Two runners run around a circular track. The first runner completes a lap in 8 minutes. The second runner completes the track in 19 minutes. If they both start at the same place and the same time and go in the same direction, after how many minutes will they meet again at the starting place?
A. 153 B. 27 C. 152 D. 304
Provide an appropriate response.Determine whether a linear or quadratic function would be a more appropriate model for the graphed data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the coefficient of x2 should be positive or negative. DENTAL FLOSS USE 
Years since 2000
A. Linear; positive B. Quadratic; positive C. Linear; negative D. Quadratic; negative
Add or subtract.(9m2n - 2mn + 4mn2) - (5m2n + 2mn - 6mn2)
A. 4m4n2 - 4m2n2 + 10m2n4 B. 4m4n2 - 4mn + 10m2n4 C. 4m2n + 6 D. 4m2n - 4mn + 10mn2