Write standard notation for the number in the sentence.The Johnsons have driven their car forty-one thousand, eight hundred seven miles in the last few years.
A. 41,870
B. 4187
C. 410,807
D. 41,807
Answer: D
Mathematics
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Solve the problem.The distance that an object falls when it is dropped is directly proportional to the square of the amount of time since it was dropped. An object falls 39.2 meters in 2 seconds. Find the distance the object falls in 3 seconds.
A. 58.8 meters B. 6 meters C. 88.2 meters D. 29.4 meters
Mathematics
Solve the inequality: figure 1.png)
?log x < 1
 figure 2.png)
Mathematics
Differentiate.y = 
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Solve the problem.Students in a math class took a final exam. They took equivalent forms of the exam in monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by 
What was the average score after 9 months?
A. 50.5% B. 43.5% C. 45.5% D. 48.5%
Mathematics