Solve problems using a calculator.A high-speed train traveled a distance of 668 miles in 2.5 hours. What was the train's average speed in miles per hour? (Round to the nearest whole number, if necessary.)
A. 267 miles per hour
B. 249 miles per hour
C. 275 miles per hour
D. 238 miles per hour
Answer: A
Mathematics
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Express the number in decimal notation.8.1 × 105
A. 81,000 B. 8,100,000 C. 405 D. 810,000
Mathematics
Determine whether the variation between the indicated quantities is direct or inverse.The radius of a circle and its circumference
A. Inverse B. Direct
Mathematics
Perform the indicated conversion within American units of length.21,120 feet to miles
A. 4.5 mi B. 4 mi C. 105.6 mi D. 5 mi
Mathematics
Provide an appropriate response.Is this statement true or false? Why? (6 + 6) - 6 = 6 + (6 - 6)
What will be an ideal response?
Mathematics