Write the number as an exponential expression, using the base shown. Check your result with a calculator.  (base 10)

A. 103
B. -103
C. 310
D. 10-3


Answer: D

Mathematics

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Solve.Linda and Dave leave simultaneously from the same starting point biking in opposite directions. Linda bikes at 6 miles per hour and Dave bikes at 9 miles per hour. How long will it be until they are 30 miles apart from each other?

A.  hr
B. 2 hr
C. 10 hr
D.  hr

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Determine if the given polar coordinates represent the same point.(8, ?/2), (-8, 3?/2)

A. Yes B. No

Mathematics

Provide an appropriate response.Perform the indicated operations and simplify your answer:  + 2

What will be an ideal response?

Mathematics

Solve the problem.In 1999 the stock market took big swings up and down. A survey of 980 adult investors asked how often they tracked their portfolio. The table shows the investor responses. What is the probability that an adult investor tracks his or her portfolio daily? 

A. 24.70% B. 29.08% C. 27.96% D. 23.06%

Mathematics