Classify the angle as acute, obtuse, right, or straight.
A. Acute
B. Straight
C. Right
D. Obtuse
Answer: C
Mathematics
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Determine whether the graph is connected or disconnected.
A. Connected B. Disconnected
Mathematics
Write the best-fit linear model for the data.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). Find a linear function that approximates the number of products sold as a function of the cost of advertising. 
A. y = 55.8 - 2.79x B. y = -26.4 - 1.42x C. y = 26.4 + 1.42x D. y = 55.8 + 2.79x
Mathematics
Solve the equation.log (5 + x) - log (x - 4) = log 4
A. 
B. {-7}
C. {7}
D. ?
Mathematics
Find the area.
A. 12.5 cm2
B. 20 cm2
C.
| 25 cm2 |
D. 10 cm2
Mathematics