Conduct a survey to determine the major worry of school teachers.
?
A. 1. Do you sometimes feel worry?2. When do you usually feel worry?3. What usually appears to be a reason of these feelings??
B. 1. Do you have a pet?2. What is it?3. What is it's name??
C. 1. Do you use the internet ?2. Do you find it expensive?3. Where do you usually use the internet??
D. 1. Where do you usually buy food?2. How often do you visit big supermarkets?3. What is the mean price of your purchase??
E. 1. Do you entrust to your president?2. Did you vote for him (her)?3. Can you name his decision, that you don't appreciate??
Answer: A
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Evaluate the expression.
A. 1440 B. 60,540,480 C. 3003 D. 2,162,160
Determine whether the equation is quadratic.x2 + 2x + 4 = 0
A. No B. Yes
Write the sentence as a mathematical statement.Thirteen is less than or equal to nineteen.
A. 13 ? 19 B. 13 < 19 C. 13 ? 19 D. 13 ? 19
Solve the problem.The bank's temperature display shows that it is 29° Celsius. What is the temperature in Fahrenheit?
A. 84.2° B. 109.8° C. 33.9° D. -1.7°