Solve the problem.In a track meet, Dylan runs 800 meters in 106.5 seconds. What was his average speed in meters per second? (Round to the nearest tenth.)
A. 7.5
B. 1.3
C. 0.8
D. 0.1
Answer: A
Mathematics
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Use the order of operations to find the value of the expression.-7(-9) - 6(-7)
A. -21 B. 21 C. -399 D. 105
Mathematics
Solve by graphing.The value y (in hundreds of dollars) of Juan's computer is approximated by the linear equation 
where x is the number of years since he first bought the computer. Graph the equation and use the graph to estimate the value of the computer 4 years after it was purchased. 
A. $600 B. $800 C. $920 D. $1200
Mathematics
What is the sum of the first 100 consecutive odd numbers?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Evaluate the exponential expression.2.53
A. 1.5625 B. 15.625 C. 156.25 D. 7.5
Mathematics