Find the average velocity of an object which follows the position function s(t) over the given interval.s(t) = 
, [2, 8]
A. 2
B. 7
C. - 
D. 
Answer: D
Mathematics
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The histogram shows the scores of each participant in a game from a total of 100 participants. 
What is the ratio of participants who score 80-99 to the total number of participants?
A. 
B. 
C. 
D. 
Mathematics
Express the number in scientific notation.2500
A. 2.5 × 10-2 B. 2.5 × 10-3 C. 2.5 × 103 D. 2.5 × 102
Mathematics
Solve the problem.A new car dealership sold 291 cars in 2000, and sales are increasing by about 50 cars per year. Let s be the number of cars sold in the year that is t years since 2000. Find an equation for a linear model to describe this situation. Then solve that equation for t.
A. t = 
B. t = 
C. t = 
D. t = 
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics