Solve the problem.There are 7750 self-employed persons in a town. If this represents 15% of the total number, what is the total number? Round to the nearest whole number.
A. 517
B. 1163
C. 116,300
D. 51,667
Answer: D
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Classify as equivalent inequalities, equivalent equations, equivalent expressions, or not equivalent.- 
v ? -9, v ? 45
A. Equivalent expressions B. Not equivalent C. Equivalent inequalities D. Equivalent equations
Solve the problem.The table shows the number of new cases (in thousands) of a certain disease diagnosed in a country in various years. 
Let n = f(t) be the number of new cases (in thousands) of the disease diagnosed at t years since 2010. Suppose that you wish to model f using a quadratic equation. What is the vertex of the model? What does it mean in this situation?
A. (7, 45.7); the largest number of new cases diagnosed was 45,700 in the year 2017 B. (0, 49.4); the largest number of new cases diagnosed was 49,400 in the year 2010 C. (3, 39.3); the smallest number of new cases diagnosed was 39,300 in the year 2013 D. (0, 39.3); the smallest number of new cases diagnosed was 39,300 in the year 2013
Simplify the expression, if possible.log17 
A. - 
B. 
C. 2
D. - 2
Verify that the equation is an identity.
